Allan Chapman may refer to: Allan Chapman (historian) (1946–2026), British historian of science Allan Chapman (politician) (1897–1966), Scottish Unionist Member of Parliament 1935–1945 See also Alle
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b9ffd55b745a79bf9a7539b9238848dc68690a88da4cc018b764c95d0977fff. Chain 2 (Bitcoin): anchored in block 953959 (2026-06-16T14:51:55Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/27bdc565-0aac-4047-b9c9-48d05e143306.json and https://artists.proofprofile.net/proofs/artist/27bdc565-0aac-4047-b9c9-48d05e143306.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ya Devi (feat. Ira Scott Levin, Julia Bordenaro, Kevin Lowney, Steve Gorn & Allan Chapman)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aaeff8d9e0807f0c02990e99da16962a06f2b4e5f58c48368d9f992b0da4bdc. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9AA1596428.
Jai Shiva Shambho (feat. Shakti Moksha, Jyoti Kessler, Allan Chapman, Kevin Lowney, Rob Morrison & Joe Smellow)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41b5d66c337ce8dcf604acd0e72bd6b2331c2549ff2326076a8fbfd73ff0f905. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9AA1596429.
Jai Ma Ananda Mayi (feat. Kevin Lowney, Allan Chapman & Steve Gorn)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1488c1dbaa00933651bdf73f6c46eb3a6e00138750fb15ece2db646dc4c2d256. Chain 2 (Bitcoin): anchored in block 960210 (2026-07-30T05:21:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9AA1596434.
Ong Namo Gurudev Namo (feat. Kevin Lowney, Julia Bordenaro, Allan Chapman, Ira Scott Levin & Steve Gorn)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ce59ca4dc746d24b00e018414884ec09e957d23efbdb8c6ed094a329d5b0cb1. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9AA1596436.