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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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album: Abc Song (English Version)
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-17T19:12:23Z
    audio: Abc Song (English Version)
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album: ABC Canción (Spanish Version)
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-03T04:03:57Z
    audio: ABC Canción (Spanish Version)
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album: ABC Chanson (French Version)
album: ABC Canzone (Italian Version)
album: ABC Lied (German Version)
album: Learn Languages with Songs: The Abc Song in English, Spanish, French, German and Italian
album: Are You Sleeping, Brother John? (English Version)
album: Martinillo, Dónde Estás? (Spanish Version)
album: Frère Jacques, dormez-vous? (French Version)
album: Bruder Jakob, Schläfst du noch? (German Version)
album: Fra Martino, Dormi tu? (Italian Version)
album: Learn Languages with Songs: Brother John in English, Spanish, French, German and Italian
album: O Christmas Tree (English Version)
album: Qué Verdes Son (Spanish Version)
album: Mon beau sapin (French Version)
album: O Tannenbaum (German Version)
album: Oh alberello (Italian Version)
album: Learn Languages with Songs: O Christmas Tree in English, Spanish, French, German and Italian
album: Learn Spanish for Kids Lesson 1: Hello Friends! (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids Lesson 2: Colors and Numbers (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids Lesson 3: Countries and Numbers (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids Lesson 4: The Spanish Alphabet (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids Lesson 5: Animals (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids Lesson 6: What Do You Like? (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids Lesson 7: Days of the Week (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids Lesson 8: Climate and Verbs (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids Lesson 9: Body Parts and Verbs (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids Lesson 10: Family Members (Easy Spanish Learning for Kids)
album: Learn English for Kids Lesson 1: Greetings, Nursery Rhymes and the English Alphabet Abc (Easy English Learning for Kids)
album: Learn Spanish for Kids: Christmas Special (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids: Dia De Reyes Special (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids: Valentine's Day Special (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids: Travel and Holiday Vocabulary (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids: Cinco De Mayo Special (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids: Mother's Day Special (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids: Children's Day Special (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids: Father's Day Special (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids: Mexico's Independence Day Special (Easy Spanish Learning for Kids)
album: Learn Spanish for Kids: Birthday Special (Easy Spanish Learning for Kids)
album: Learn English with Songs: Educational Songs for Kids (Lesson 1)
album: Learn Spanish for Kids: New Year's Eve Special (Easy Spanish Learning for Kids)

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ABC Chanson (French Version)
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  additional property: OTSVerifyInstructions
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    value: 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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-12T19:15:44Z
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ABC Canzone (Italian Version)
type: MusicAlbum
date published: 2021-03-19

ABC Lied (German Version)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-14T21:37:55Z
  audio: ABC Lied (German Version)
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Learn Languages with Songs: The Abc Song in English, Spanish, French, German and Italian
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T10:01:46Z
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Are You Sleeping, Brother John? (English Version)
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Martinillo, Dónde Estás? (Spanish Version)
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Frère Jacques, dormez-vous? (French Version)
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Learn Languages with Songs: Brother John in English, Spanish, French, German and Italian
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O Christmas Tree (English Version)
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Qué Verdes Son (Spanish Version)
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Mon beau sapin (French Version)
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O Tannenbaum (German Version)
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Oh alberello (Italian Version)
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Learn Languages with Songs: O Christmas Tree in English, Spanish, French, German and Italian
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    date published: 2026-07-18T12:44:05Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-18T19:24:05Z
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track: Learn Spanish for Kids Lesson 1: Hello Friends!, Pt. 3
track: Learn Spanish for Kids Lesson 1: Hello Friends!, Pt. 4
track: Learn Spanish for Kids Lesson 1: Hello Friends!, Pt. 5
track: Learn Spanish for Kids Lesson 1: Hello Friends!, Pt. 6
track: Learn Spanish for Kids Lesson 1: Hello Friends!, Pt. 7

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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type: MusicAlbum
date published: 2023-06-23

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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
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