Bitcoin Observation

An independently verifiable temporal proof from an external entropy source.

Observation ID
019fcf70-eb78-7a88-a721-f66b2ce8fa7d
Capture Method
Streaming
Captured At
Aug 5, 2026, 1:01 AM UTC
Verify Proof

Observation

Verifiable entropy captured from an external public source. The canonical JSON representation and its hash are used as input to the blockchain's Merkle tree.

{"hash":"000000000000000000002c647a0c2970f80a63e69b4534ebe6001b1c846f4cbe","height":961092,"time":1785891721}

c0d1484452ca46a4a8f5d83b64b0fcf477c61a593474a4ad75e5b325646f79c4

a5c52d84e64540849d0a7765aba695b2175a8111d3a7293818d6648aa78b59af

SHA-256 composite hash binding the entropy data, metadata, and signing key id. This is the value placed as a leaf in the block's Merkle tree, and the value covered by the signature below.

Observation ID: 019fcf70-eb78-7a88-a721-f66b2ce8fa7d

Time Delta

Bitcoin blocks include a timestamp that represents when miners claim the block was created. However, Bitcoin's consensus rules allow block timestamps to vary from actual wall clock time. This section shows the time difference between the block's timestamp and when Truestamp captured it.

Aug 5, 2026, 1:02 AM UTC

Timestamp embedded in Bitcoin block 961092

Aug 5, 2026, 1:01 AM UTC

Real-time capture via WebSocket

9 seconds

Source timestamp was 9 seconds ahead of capture time

Interpretation: A positive delta (block time ahead of capture) is normal and expected. Large deltas (several minutes or hours) may indicate clock synchronization issues with miners or intentional timestamp manipulation within consensus rules.

Signature Verification

Truestamp signed this observation's hash at capture. Verify the signature in any Ed25519 verifier using the observation hash, public key, and signature shown below. The active public key is also published at https://www.truestamp.com/.well-known/keyring.json.

Algorithm
Ed25519
Message (Observation Hash, Hex encoded)
a5c52d84e64540849d0a7765aba695b2175a8111d3a7293818d6648aa78b59af
Public Key (Base64 encoded)
1hHbF5H5u8LiSp+nVMRb8duR2eGkOo5Q1JYfcmAtF28=
Signature (Base64 encoded)
RtyW6evMiDTAJNHYMtyL2cje1DwMeqTbLWI/MnU0uW/R4MFctxBUz7QgDl1YOUNxsMdmIPS2NGvx9wuh6+w6Cg==
Verify Signature Manually

Opens an external Ed25519 verification tool with all fields pre-filled.