Arcana may refer to: Games Arcana (video game), a 1992 card-themed role-playing game Arcanacon, an Australian role-playing game convention Arcana Studio, a comic book company Major Arcana, the
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 0x1a88e765db6e72ffa2c23e9b7293c3eb080b997998740a7f065e5a564499222d. 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/95062f9c-3e6c-4726-a6c6-2adf5913f4d6.json and https://artists.proofprofile.net/proofs/artist/95062f9c-3e6c-4726-a6c6-2adf5913f4d6.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 0xc6d51b35d7d211a738d7785832a1dccd326641b615a0c6eda48dd2853e59a4ff. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), 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/QM4TX1826933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24fed43adfec27a9c49cc0afe0af2c1cd916d6f8ba9fae0407597ba5656fd1b3. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USHK90617108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8746b439d80f36b268df57cc809e5d7b54f2eb8d85c6c35553b8cf648ba6c636. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), 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/USHK91221204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x969e40902d72a779d8cf5a5d10d7a7e9437cf2430e37cbd98afadcec3f0d4931. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/CAAD21010291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09b0bc8e699a2753686cf2a9b1f88f74e522af10836e80678d0bc64cb2d0e1b7. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/CAAD21010298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x967a34a036e060f2ad75976346890da1ff516b5ec6e25ede6e9efa3b2e648c0b. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/CAAD21010326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d2ad3496068607192fd74986b12cc01df18bf2424ddd8c6be83b5ce91dd2f4b. Chain 2 (Bitcoin): anchored in block 958087 (2026-07-15T02:56:49Z), 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/CAAD21010327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6361891814642f83b7bee630e6bbc6c5cf827a7cd9240af4bd458ca204271e8b. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/CAAD21010330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca2c4496d90946d3db6b19e0fde7d84265f6dc48c89afc609e9ec6f9c31e11e2. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/CAAD21010333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0248e412f3987342acfd332cbbadcffad1a88d785a48bab659e56a22bd2e3cb5. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T21:05:52Z), 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/CAAD21010318.
The Song of Solitude (The Cry of Isolde)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd25dee41e9a92f59511565687a8b1adba2ffa042bebbb0ec63ebc8276095f11f. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T15:22:45Z), 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/CAAD21010304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bc7e5551edc7f396acdf4d81be30da740eaa714c8eac3286baa39500d1355f9. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), 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/CAAD21010305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed437478a2c8e1dcbb1acc3537ad0529870ccaa6776489e5dd1fdce70f2b1884. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), 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/CAAD21010306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec67af9431a3791516a1d085672abb465c9c22e20d81d2a9ec849ee1c9b6837e. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/CAAD21010309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9255a76023721c071e77c5780d08a958da43f798cc6c68aeb27edfa5dbf59235. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/QMFMG1515602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc48adb456b6bc0bffa654ef396ba9b3208234c79586e20d13a7d031f1247f558. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QMFMG1515603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1a8e132093f3bca49b92fbc643be6759bee1ffce85beade6aba2d061810917f. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QMFMG1515605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc8c0cee1bec9fdbd931152df6ef62994f11d61fea2e174580d99cd468981fa5. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QMFMG1515607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x764c7af911f12411607e78de655ba65ddbe7fe0da157f10b34621cf933a51de3. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QMFMG1515600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9255a76023721c071e77c5780d08a958da43f798cc6c68aeb27edfa5dbf59235. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), 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/QMFMG1515602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc56d67b13e067814bdb10a4fab28a8066e3f23dc192aebff0377b00cc719688b. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QMFMG1515604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf3cc6cfe4b895877e72757000e2d6a8498bbb812ba1550c545f965527160cda. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QMFMG1515606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7b38e265775ce304b62d3baabfa96eaca709d41f080f4cfd31212bf3cec6517. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QMFMG1515608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86f3aa99083d5fd93efe67785e5b9cf953e7b4f8d01d1ed707ac397f67a85466. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QM7281751517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc25cfb535a0fa44e406ca3e2623b277aff83066ac97de83c5a08a672ae16111d. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-21T22:00:50Z), 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/QM7281751506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd595d8f2b54e6bcc68656bc64d19bcf6758b020d0e48d0bc969b38851c852d6f. Chain 2 (Bitcoin): anchored in block 956859 (2026-07-06T01:42:12Z), 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/QM7281751507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec3f0087ceb05a8e1c756486985b3d39f1307e5785ccf9d69c65e90a94fa3961. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T03:48:36Z), 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/QM7281751509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf52b09cefa181d0df2285862bb04cd1c6c283764c35afe380f544d72810840f0. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/QM7281751510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6906e7bf70c3c3f9f743ea822dc5081287d8e8cf01c920bf2c0df0b2bd3ba9a. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QM7281751511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25bc72b381a795bda1634fe5fb5bffb5f31f4f407374e16becbc57683e37aaeb. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QM7281751516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86f3aa99083d5fd93efe67785e5b9cf953e7b4f8d01d1ed707ac397f67a85466. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QM7281751517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfba5029680475c8db1e4186c79d1e92f7dd1c01d5ef6b941ea36829ac590206. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USI4R1219919.
Cycles "Cyclic Law's 10th Year Anniversary Label Sampler"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x009cfec5d11ada739a7b56fca8e8f1404d879c06a4939df547b9d97f70529b03. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QMFMG1512603.