Jim & Ingrid Croce is the second studio album by American singer-songwriter Jim Croce and American author Ingrid Croce, the only one the married couple released as a duo. It was originally released in
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 0x31022fe5d24cda5e580231da313cc2a50155977d549e750d4fbf0c8357741154. Chain 2 (Bitcoin): anchored in block 953782 (2026-06-15T12:13:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d463db94-c9e3-4479-97bc-c62556045b7a.json and https://artists.proofprofile.net/proofs/artist/d463db94-c9e3-4479-97bc-c62556045b7a.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44b1a52116dcdb61dc645b0fb33c594bd98dbb3ff510814e3ff766fce8034e30. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/USCA21003194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d9e065fe2fb11588c7a25739af2c054f7b2b89aba55ef28a641491f735c0ea. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:41:44Z), 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/USCA21003197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47fde394a6e6f65e180bcaec9edf051d44feaefa85fe44d90100b5b454d94c13. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T01:59:51Z), 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/USCA21003199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99b0f33acd54ef91d334e5a21a4e713eb33123541b7477366e81d398e84a7321. 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/USCA21000907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98caf401fa05287db677b1fc12ed12674475b5fe78518858a610e72181927a1f. 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/USCA21003203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874e6789b70f576a613b490ddcc48b663bb842a66193f7bf0be437ff6e26bee7. 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/USCA21003201.