The National may refer to: Arts and entertainment The National (art exhibition), a biennial exhibition of contemporary Australian art held by several museums in Sydney The National (band), an Ame
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 0xfe53052521840f28b410a701af51ab797bdf71f53bfe47789e4d906e59965180. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/381c1d95-1acf-4b10-a684-2fd214745d1d.json and https://artists.proofprofile.net/proofs/artist/381c1d95-1acf-4b10-a684-2fd214745d1d.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 0x39f564bebb4969163330f753d50b12c40d5db0a0fdea1cb1140012a06414acd9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBAFL1300064.
Sad Songs for Dirty Lovers (2021 Remaster)
Your Mind Is Not Your Friend (feat. Phoebe Bridgers)
Somebody Desperate (From ''Cyrano'' Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa653185813325ffc78979ccafdd49d624a3036e1d63f61b19f342069fd8df65b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USUG12004711.
Cyrano (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0732f6fcf5ba763e95d09e9a446584d8603783c383b9d70e959b4c77474b0471. 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/GBUM72105092.
Sea of Love (with The National) [From “Norah Jones is Playing Along” Podcast]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bfebf478fecbaf0b4c834bb581000990115b0503f0f84019348d99920a4f85d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUM72314485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb08187965574e0502ba7c2e11cb8febda9fa3eb8b3d873d2dbdb0cc498808fb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBAFL1600020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf317ec624809643b0acc4480c4173fcb17ed479297f3a4cc56efae02fb47f981. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBAFL1600031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa503ab35c6583511bdd5e528b543c45b4101d270be73a0bbdfca016402c88a0. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBAFL1600039.
For The Throne (Music Inspired by the HBO Series Game of Thrones)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbf4637fde7d88c1b6b2a518f4dabfe792b6f1fcbccab45d237aefad825737fd. 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/GBAFL1900247.
Everyone's Getting Involved: A Tribute to Talking Heads' Stop Making Sense
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52f41e5abe11acb71841f2f05966d0f6aac3a8b92f8064a9e153bfd083b5c63c. 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/QMB622402606.
Lean - From “The Hunger Games: Catching Fire” Soundtrack
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f0e52d4370faa4ad62f01ce1954c1c6282e8d7800b0541f3d1778a6bda9f05. 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/GBAFL1300196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa653185813325ffc78979ccafdd49d624a3036e1d63f61b19f342069fd8df65b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUG12004711.
Grey's Anatomy (Original Soundtrack Volume 4)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c273a2da45d0eca151c5715a16eae042c2e2840ced0f7f50ff6c3e6b35c9797. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBAFL1000103.
Dark Was The Night (Red Hot Compilation)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c5ad5cdb15c2d8dcf331d2273eb7a7a8ee36af60725073fb9f753cbfd24d834. 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/GBAFL0800174.
Ciao My Shining Star - The Songs of Mark Mulcahy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc38de1b81ab4848f55908c4ab3d7e076de4ccad0e063b6855bc65385f224a3dd. 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/USCGH1773822.