William Wagner (born May 21, 1990) is an Australian singer, songwriter, guitar and keyboard player from Melbourne. He is the lead singer of The Smith Street Band. Career In April 2008, Wagner release
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 0x8ffeb98491a638ceaeac69147cb97d4331aa75bf5ebada7ccf956371fbce16ac. 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/904139c9-1a90-45fc-afa3-b08ec5149784.json and https://artists.proofprofile.net/proofs/artist/904139c9-1a90-45fc-afa3-b08ec5149784.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
This Is Called A Headrush (A Song For Friends & Lovers Abroad)
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 0x46d0b522dc62adb3e27a3204777b5ae1ef1ae3266a7920dc8f43af4ff380784f. 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/AUDJ01801960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a26e4338ee60129f863078c44be37c584a24f75b12a31ece976fe9b927459ef. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USCHR1310699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc4868bc422eb0b900a635df1f9918cc461bf882dcc0b9c66a411ddf5ec5d048. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/USCHR1310700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc7da49a5be9b613af51676d77a903df24d5b4dcddd38e377bc7a1a7faf2afa. 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/USCHR1310702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4638c6a163c4fe4ecc2a121f92d8eee23b03f1599b2c8041b133448f721b1445. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/USCHR1310703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf500d082cb2ecbafd57a49941e2a1ef07174406d4704c8785d5e99cc47d4560c. Chain 2 (Bitcoin): anchored in block 958696 (2026-07-19T07:45:31Z), 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/USCHR1310704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00c5428dcc1f7fe2125883accc2761b54a4375b26e0cb649491072ba70bc51d6. 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/USCHR1310705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a34072eafa848572ecd8d3b32998ccdc40acc6eaa4e71176a0425f78da06427. Chain 2 (Bitcoin): anchored in block 957644 (2026-07-12T03:18:52Z), 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/USCHR1310706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c06acb02b9a99527b41139bbf4bf1e24123464c00fb13fcb7d04583f5cf411b. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/AUDJ02002206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc1780f337f3f268ae2be6a2b0c43a06262f759ebe4bd4496ea8b3a4ac982055. 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/AUDJ02002207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9023a7085d8d2637a1dfd9cdf78bb6f7a077af4bad1d8bdd13975e8da4c0d913. Chain 2 (Bitcoin): anchored in block 958878 (2026-07-20T12:32:15Z), 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/AUDJ02002208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34382b9b22825fa7ce511c9cdb83b86e802da18b6bd06e3b95d1d2693ac3402c. 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/AUDJ02002210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe821a866df97a1b89fb67a5dc6d57ec324b1ba3b8153aae21216a49f355b5fd9. 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/AUDJ02002211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1132ef7bda34f6335521c412ade7807c50c9ec83c02d6ba5b2e3dc6f5989ca82. 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/AUDJ02002212.