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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x099f405af774931f5dd6b5e379f317be03ba26085d3caa25a7a841030afeb49c. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a7c0c519-99b2-4b81-807b-88653f912cd3.json and https://artists.proofprofile.net/proofs/artist/a7c0c519-99b2-4b81-807b-88653f912cd3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Orff: Catulli Carmina - Stravinsky: Les Noces
Gotterdammerung (Twilight of the Gods): Prologue: Einleitung
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9ce68f17074bbf8ad037c39388a228e2c320de8c8b466a7b471a08a455087ad. 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/GB6CE0900186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64390801424abff4525b06b651dad7437d7ac88b278caf216d9e167ea216cfd1. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/GB6CE0900002.
Das Rheingold: Scene 1: Garstig glatter glitschiger Glimmer! (Alberich, Woglinde, Wellgunde, Flosshilde)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6868039f5f9a46418fba17ae6b8d6db7936351e2201e101dbe5a9cfca1514665. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GB6CE0900004.
Das Rheingold: Scene 1: Wallala! Lalaleia! Schame dich, Albe! (Woglinde, Wellgunde, Flosshilde, Alberich)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7424234895f5d2b1e84e88bd849f5a7e61b57211cc721028f2e758f22e8c61. 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/GB6CE0900005.
Das Rheingold: Scene 1: Lugt, Schwestern! Die Weckerin lacht in den Grund (Woglinde, Wellgunde, Flosshilde, Alberich)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbc309c4b79a4f76d3d222d1e2ade83205469211acb8b6a518dc73880d3e282c. 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/GB6CE0900006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9ce68f17074bbf8ad037c39388a228e2c320de8c8b466a7b471a08a455087ad. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GB6CE0900186.
Gotterdammerung (Twilight of the Gods): Act II: Prelude
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30b83217a42d48b57224656c5db5b00ba3d2a2972de649de43221dda3db685f7. 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/GB6CE0900218.
Gotterdammerung (Twilight of the Gods): Act I Scene 2: Hier sitz' ich zur Wacht (Hagen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f25355d2a26dfe89df4e2b4b415c6e5a2527441e93d981b2281b2d704dd5850. 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/GB6CE0900206.
Gotterdammerung (Twilight of the Gods): Act II Scene 1: Schlafst du, Hagen, mein Sohn? - Der Ewigen Macht (Alberich, Hagen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeba78326ad68f049149df141dd97ac8de8d29118a1a27c56ac4016ac4d75c028. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GB6CE0900220.
Gotterdammerung (Twilight of the Gods): Act I Scene 2: Orchesterzwischenspiel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86adcbd8afa2ce01380d0ca7a67042ac0955f0338e4cfca33bad9ceee1119ae4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GB6CE0900207.
Gotterdammerung (Twilight of the Gods): Act II Scene 2: Hoiho, Hagen! Muder Mann! (Siegfried, Hagen, Gutrune)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x955da7591f4281255e6d99e1ff42faf4a1aae7396feaf56edc8307039f31a534. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GB6CE0900222.
Gotterdammerung (Twilight of the Gods): Act I Scene 2: Kommst du zu mir? (Brunnhilde, Waltraute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd589b42b1f19ddc441ef0a30c5aafc50fb10096397da1261366facc5f42473ac. 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/GB6CE0900209.
Gotterdammerung (Twilight of the Gods): Act II Scene 3: Hoiho! Ihr Gibichsmannen, machet euch auf! (Hagen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25d20e727584b673fcb120c55338551b50ed167a101cb8779df5dde5e6b0cf6c. 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/GB6CE0900223.
Gotterdammerung (Twilight of the Gods): Act I Scene 3: Lockte dich, Schwester, mein Los? (Brunnhilde, Waltraute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaa4f75124d876872a5e3b7987ab310a9fa27060f5cd3397183bebad61876cf2. 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/GB6CE0900210.
Gotterdammerung (Twilight of the Gods): Act I Scene 3: So sitzt er, sagt kein Wort (Waltraute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fc74d8e0fd0473a14d0a3cd66ad4a848b837e339791635a097ab047def58464. 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/GB6CE0900212.
Gotterdammerung (Twilight of the Gods): Prologue: Oh, heilige Gotter! (Brunnhilde, Siegfried)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa755cf1e3dae22373f844d5615034b710031fc4f3b3c17cbbd692067d8fb1d83. 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/GB6CE0900195.
Gotterdammerung (Twilight of the Gods): Act I Scene 1: Heil! Siegfried, teurer Held! (Hagen, Siegfried, Gunther)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bcf9c1379f29e76ce9269a68c4f5e63292af0ff09276bad809ae2f51bcdd7ab. 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/GB6CE0900200.
Gotterdammerung (Twilight of the Gods): Act I Scene 2: Begrusse froh, o Held, die Halle meines Vater (Gunther, Siegfried, Hagen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23971a80d024e01e819074be4e40052a03bffb71f0ff2b31f995957b86a7450c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GB6CE0900201.
Gotterdammerung (Twilight of the Gods): Act I Scene 2: Willkommen, Gast, in Gibichs Haus! (Gutrune, Siegfried, Gunther)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b2b5f836193eeae01e3c23ba0203779d6456e59277fd1f070420cce5cf52776. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GB6CE0900202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64390801424abff4525b06b651dad7437d7ac88b278caf216d9e167ea216cfd1. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GB6CE0900002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6868039f5f9a46418fba17ae6b8d6db7936351e2201e101dbe5a9cfca1514665. 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/GB6CE0900004.
Das Rheingold: Scene 3: Was wollt ihr hier? (Alberich, Wotan, Loge)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb0807e5490001146b5c9579c31b541d116f96a12394e2a60ad2f63a20b1aca3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GB6CE0900029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7424234895f5d2b1e84e88bd849f5a7e61b57211cc721028f2e758f22e8c61. 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/GB6CE0900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbc309c4b79a4f76d3d222d1e2ade83205469211acb8b6a518dc73880d3e282c. 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/GB6CE0900006.
Das Rheingold: Scene 1: Der Welt Erbe gewann' ich zu eigen durch dich? (Alberich, Woglinde, Wellgunde, Flosshilde)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aab29ec950543ec8da0dface650e7d496e0973385afbd8062880e5fadcd4c00. 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/GB6CE0900007.
Das Rheingold: Scene 3: Luge du her! - Verwandlungsmusik (Alberich, Loge)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9e6a1b0288ea3a4f28c6a84ae4a1da34eedbb7d48a8ceb34ec6a955daca2810. 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/GB6CE0900032.
Das Rheingold: Scene 2: Was sagst du? Ha! Sinnst du Verrat? (Fasolt, Fafner, Wotan, Freia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c264f7d1ec7ce762a4d9ae58971ce0afa4d29c227d29f597154dace4b8c42c. 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/GB6CE0900013.
Das Rheingold: Scene 2: Endlich Loge! Eiltest du so (Wotan, Loge, Fricka, Froh, Donner, Fafner, Fasolt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2107a7c61cd971872709b53bdaa4ac251ee10400818653081df49d214c4fb550. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GB6CE0900015.
Das Rheingold: Scene 2: Taugte wohl des goldnen Tandes gleissend Geschmeid (Fricka, Loge, Wotan, Donner, Froh)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d723de83308934e8306ac92a4e782744676a00658b4221d2deaa7a157084ba. 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/GB6CE0900018.
Das Rheingold: Scene 2: Was sinnt nun Wotan so wild? (Loge, Fricka, Donner, Froh)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ff29b6a01c4ac66f9b01e08ed8392e9111718bd02cf43f649b8e7878b3e2171. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GB6CE0900020.
Das Rheingold: Scene 2: Verwandlungsmusik
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bb106b1da2971bd151dce3e66389254c374e8705014e07c80ae0b974a798ef4. 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/GB6CE0900023.
Das Rheingold: Scene 3: Schau, du Schelm! (Alberich, Mime)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a9bdc998fc17d09a827781f9bbbb58d458e7cf4c9766f3adebea73625933dd7. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/GB6CE0900025.
Das Rheingold: Scene 3: Nibelheim hier: durch bleiche Nebel (Loge, Mime, Wotan)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0e59cdb3865d9694282ff1702b0a89f06f0999ae624aca67e9647161220cbfb. 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/GB6CE0900026.
Wagner: Der Ring des Nibelungen - Great Scenes
À l'est la guerre sans fin: 1918-1923 (Les musiciens et la Grande Guerre, Vol. 35)
Maudite guerre (Les musiciens et la Grande Guerre, Vol. 22)