Persefone is an Andorran progressive death metal bandMordigans, Nami i Persefone s'instal·len als locals d'Encamp formed in October 2001.Official Persefone website, http://www.persefone.com The band
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 0xb0d1f28ab2e1d93858378202bff14343d629c1b5f63ed129003b2ed22924c421. 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/f18bb09f-d0d9-4c7f-8586-0235a20dfc36.json and https://artists.proofprofile.net/proofs/artist/f18bb09f-d0d9-4c7f-8586-0235a20dfc36.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 0xd60967419e06ad70111f32a66b6b198562a8646bd1bb2c630744f439c3ced91c. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/USX9P0957096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa566cc39deef3286692520666df3f0cb67d56ad27f187456c016d121e7b7df84. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/USX9P0957097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035eb91b461f7d819fe131c6386d749e6246c24156e1ccaa66c077266ffad38c. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/USX9P0957098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f7c174f2ac571b2332a7653eec071bdbdd465bf619bec5aa70816f8e0e48daf. 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/USX9P0957099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a4efca73ffac604d1e740213fc31b3558ceed6b098d6d9f6bf7c0478316db24. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/USX9P0957100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9af9e416b54cc2131b577faff8af0cc33e3022711ccc463e3d829b6c999d152a. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/USX9P0957101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd17823b59ca325359597ae1a6ddf5febdb4703eb70e5697b8a67d409f565fec. 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/USX9P0957102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x491faba71e08461ea0b9f6fae18af6a70e7e5ddc807020ff5c64a69944ddbb6e. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USX9P0957103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x091d5d6ca7a340f74174c793a96cc3dcc1c550d13e1ddf4dede56a094efac784. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/USX9P0957105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e1bd93adf320f27f2ba849593812729b3f05f9b05a759b3e1afad7ce6b2dff6. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/USX9P0957106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf6b49bda6895bc664502d7f44021f1f2c5b345af51ca91f356ab370d609ea8b. 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/USX9P0957109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x877589ccb4d386daa577c9216f4d1b3dd2d07789a6e31ebe041cee7ef5abbc29. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/SEYIJ1700601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73b253641faa9f62e4a0c27825828c288e8772e0973573f37a124219163b92c1. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/SEYIJ1700604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ad8ccc3db7f49bfe264aab09e981557d1d164c65d197b8ce1f7753f1e0601b7. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/SEYIJ1700605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x072b9ca12f468a9b269f320564a9eef34cd189810ecfd26281a54020024210b1. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/SEYIJ1700606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2820bc98239230110bff9af1c93c0272a67235078f6100847454193bd11f2c1. 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/SEYIJ1700608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x212a8d04b3cf0bd20d8e9fa21e50d4bab0650e3f7daaa242ab3a26c533c18d04. Chain 2 (Bitcoin): anchored in block 957741 (2026-07-12T18:30:59Z), 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/SEYIJ1700609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d6018068aaa7e576630b148300d05a390b1deddee4fba01ff052790e2c6b16e. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/SEYIJ1700610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f5380f5a1e69cacfada7a99ef4d775e4ac9ff4692d9ac44c007e1a763db6950. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/SEYIJ1700611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x087d5a7f193543f12218dd3412a5be6bdae948af4db20132ec19a17234113409. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/SEYIJ1700612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fd1570bef132d0364822daa7afc67ebd774ce926dfdea4683cd00418506284a. 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/SEYIJ1700613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x829771ea4792bf73ba12e113d45f0b6321dc20135719f910d3346e6b8285b305. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/SEYIJ1800601.
Truth Inside the Shades (Rerecorded Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd20c32aaaa0829a98172a90b535ab17d7347ef58bb0a780c00b62f528f1d60c8. 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/TCAEW2030763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x363e74ba9debc310e598808e4261210e4b2bdae448ab0c30bc01973c01b56bc0. 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/TCAEW2030766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d1cf4427210c648e3cbaf27a4a54df05c38eb921e8a61d1b6f3292acc54ba47. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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/TCAEW2030784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d84d85055d18b8a421bee5e07b6a6b7840514dc893957d7d561a9537cd74ec. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/TCAEW2030788.
The Demise of Oblivion, Pt.1: At the Boundaries of Perpetuity
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f781ac3e37a126a59a2c6a65b5f1938d0a95cad7f7d53e45751195061b2b44f. 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/TCAEW2030792.
The Demise of Oblivion, Pt.2: The Last Wish of a Tear in Silence
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d117918acffb514d82506c6d7a4722cd27ac3c3a64e073dd6eee396fc518d84. 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/TCAEW2030793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c6305115cfc06b12b52940008cdebfea9ad3474437dab3f2ee2bc2935bed9e3. Chain 2 (Bitcoin): anchored in block 956425 (2026-07-03T01:28:11Z), 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/ATN262211102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fcba80e74782c6f03cd7867680c0f9c895359eb2d77187bb18288815e911ef2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ATN262211104.
Aware of Being Watched Feat. Merethe Soltvedt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1c69ab13a380dc48b7a6832e98507174ef64e19f945eabc1aec154420ad9dae. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/ATN262211105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc365e4fa19f6e200737f5cb83a032b4f0d11875c35ead0867c4e72771fe2040. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/ATN262211107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a3890bc39276e652fcd913df4188dffb4682e038485e0f8fa487f21993fd86d. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ATN262211108.
Anabasis (Pt.2) Feat. Angel Vivaldi, Steffen Kummerer, Merethe Soltvedt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52e72365c18c923dc7efa4509aa371b3b5ae7d896b2b45fb49f4eaf41ae05c01. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T09:14:08Z), 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/ATN262211109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6898472b13e3b01d25dd82f2976c7f2d3be6ea57db93f74aec27294eb88e7152. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/ATN262211110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4b0f0730bbd2068b54d4d41e7e2e25dc1fed92231f8e28025e401912e37c7e1. Chain 2 (Bitcoin): anchored in block 958561 (2026-07-18T14:22:01Z), 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/ATN262427303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a35e0f39c4db7ed531f0e29d15fd0d562532fd836ce9e601ce6fec0813d601e. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/ATN262427301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0cc66aa1806ca80fef664557b0a0be8bc9019a4616b27cadc3ef824ee1cc517. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/ATN262427302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4559b5e7872d792bc92573a4a9b659ad971e9ebb722b5906f70f06abafa06044. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T01:09:53Z), 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/ATN262427305.