Pith Number

pith:T4DRXRG5

pith:2021:T4DRXRG5VEZO6HPQEQD26JHMHG

not attested not anchored not stored refs pending

Set theoretic Yang-Baxter equation, braces and Drinfeld twists

Anastasia Doikou

arxiv:2102.13591 v3 · 2021-02-26 · math-ph · hep-th · math.MP · math.QA · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4DRXRG5VEZO6HPQEQD26JHMHG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:16:31.411075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f071bc4dda932ef1df02407af24ec3991bb4ec84a2140837e5896fe8f55d005

Aliases

arxiv: 2102.13591 · arxiv_version: 2102.13591v3 · doi: 10.48550/arxiv.2102.13591 · pith_short_12: T4DRXRG5VEZO · pith_short_16: T4DRXRG5VEZO6HPQ · pith_short_8: T4DRXRG5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/T4DRXRG5VEZO6HPQEQD26JHMHG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9f071bc4dda932ef1df02407af24ec3991bb4ec84a2140837e5896fe8f55d005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9826faeedaa3e1aaacadb80a39a85da674f221027cf63acb460e4001f528b34",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP",
      "math.QA",
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2021-02-26T16:57:20Z",
    "title_canon_sha256": "872d5102638340cc5065f010c714a6e645e8738121cd986980f36385a247dcfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13591",
    "kind": "arxiv",
    "version": 3
  }
}