Maman may refer to: Places Maman, East Azerbaijan (ممان - Mamān), Iran Maman, Kurdistan (مامن - Māman), Iran Arts, entertainment, and media Films Maman (2012 film), a film by Alexandra Leclère Maman
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 0x70cb22e36b21b5713f88a44e3b30bc8f5292c1186523c4f568a2169cbda70fc4. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3a03967-3f76-4b5d-8277-0e3bc3b54b69.json and https://artists.proofprofile.net/proofs/artist/b3a03967-3f76-4b5d-8277-0e3bc3b54b69.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x6ec295fd650cbd984c6d095ad941c949874bc95c26c84792861e91d94e4f1148. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/QZJPA2100076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba4ae269d6e802f476567c915a0baea59716f5e911aabdcafe42b540e4add79a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZJPA2000056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16c4583015bf81bc793a11b8bf495aff259945ca569236959c16167a424f109b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZJPA2000051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64b492fb0be7a7748e2533a2f4af87cd2308882b8978b94d039e32f5dbf58025. 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/QZJPA2000031.
Songspire in Ibiza 2024 (Mixed by Robilardo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x752781d226bb7b3b8e86b97f3f54587043094b49a9935a136fd9c24f042b9dda. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLD682401952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7abd8a6f9070c0cf45542e6e5cc780cd91e1080b211d9944a38ced773edc6380. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLD682400852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea8acec5b3568bf15ca9e8aaf3cd722f41edebc51eb9e9cb78408e7b5756ed8a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLD682402556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba4ae269d6e802f476567c915a0baea59716f5e911aabdcafe42b540e4add79a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZJPA2000056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16c4583015bf81bc793a11b8bf495aff259945ca569236959c16167a424f109b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZJPA2000051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd92d61529f3655c848ad8f566b21ea73dd456e1b15991c07d537a9ef75eff808. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CH3132317948.
Feeding the Fire - Passenger 10 Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5557a2e414d186c0533fbb6d9ffb0c04659f890221a1c2c11526c8b7c8696ee. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/CH3132317949.