Zhang Shaochun (, born 27 February 1969), known professionally as Abao (), is a Chinese folk singer from Shanxi. He first came to prominence as the winner of the CCTV talent contest Xingguang Dadao ('
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 0x1cd391b21ad35fdfae800d075851078834273c868db8fc9a31c040b3fb7d853c. 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/6fb67eaa-cbef-4cf9-8c59-feedb8f4a4aa.json and https://artists.proofprofile.net/proofs/artist/6fb67eaa-cbef-4cf9-8c59-feedb8f4a4aa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
『東排三聲代』東排灣古謠專輯 (The East Payuan Folk And Three Generations)
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 0x7a7bcd6ad011ff210c95f6ac741d26048e2854c540909c940b3a4d4422a90641. 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/TWW331400014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37fa7853f5a89b415a548a91e9e910a7ab9d563e5e8b1d8f068518c86bf9aea0. 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/TWW331400015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d04faf1a52d2f66150a730d07349ea4939ba5f32eef8868315c2177d6fc858b. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/TWW331400016.
放輕鬆（梁秋妹 - 米次古、王秋蘭 - 愛靜、阿爆 - 阿仍仍） [Relax] (feat. 王秋蘭（愛靜） & 阿爆（阿仍仍）)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ffa566132e5994f88a94e895ff7b76ad199c04b8703b825e97edd430957e7ef. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/TWW331400017.
頭目結婚曲（阿爆 - 阿仍仍） [Wedding Song Of Leader]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31516103cbce4b8e35a4f5d3bb862b96347cfce242cc261a0a8250423da13557. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/TWW331400020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac011e33997dd99d817cf3609d81f8e4a81b740cd1e6b604a8427405eacae8ea. 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/TWW331400021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeee1bae44466c7838be751bdc034fb6fc495edffc2da3f664f9e98275afdd053. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FR2X42268162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8584190fbb7f7b2721f9fce5e804a87a65e96ab5d9ed9f9d33b683b79ea434de. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/TWW532310001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe91db9a285e8532ffd935ce2df8288117e65fbe3b020cfb82c61a99ae39e92eb. 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/USQX92102899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39d844c17f3044f8089c94bdc2298f39758bfac671ff14cbde0b73aaf23ba478. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TWBF32203010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc91a9837aef87d9cba5235d284bcbf5cd254ac41ecf6b5eb0ab27e374154d52. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/TWBF32012001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x060e3077e45bd6326f87c9ad811f64b6eebe39c69e9a729decb87909bbe6b856. 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/TWU712201712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd37b5c31d927d659917f5b49fd8e89ab429927080216fff69ec00eecf54bf048. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TWAE32203248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb85d89655bb72de2d9812a4060c040aca6086566e2b9e2a9fefd8527f9ab4500. 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/TWAE32203253.
潮流新聲 Rising Star (【KKBOX風雲榜】LIVE SESSION)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x958f5c48a1c8c744ddc849bf48b32f42b05b58ee547c1cb808e674486a01dec8. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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/TWCC32201195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b7692de23bfe52691dbc1088e612cabb9fea23e4337a3c2e030cddc1b0499d9. 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/TWCC32201544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac852d79450101f3599e87aafc5c3f8fdd55e171b8f90b5e5eb33beba267de3d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TWJ012200803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87fad54fc28977346bd7290f9d2a499578a3d08475b3a84c28c8ff1a9e14655d. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/TWA471912001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d09eadc6ae1e7596bdb49c6c2814a96aa9885e522964e049e83cd972db1a990. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/TWCC32122641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57c2b3e06cd570eb381eea02ea6115d624d8a520ba5c883e441082bc9bb7fe17. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/TWW532011001.