Pith Number

pith:OINGJTFA

pith:1997:OINGJTFAM2RB6YTXJUBBT5TRUE

not attested not anchored not stored refs pending

Bicrossproduct structure of the null-plane quantum Poincare algebra

Francisco J. Herranz, Mariano A. del Olmo, Oscar Arratia

arxiv:q-alg/9707025 v1 · 1997-07-21 · q-alg · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OINGJTFAM2RB6YTXJUBBT5TRUE}

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	2026-05-18T04:14:38.407149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

721a64cca066a21f62774d0219f671a13f21b46d78e628c7802aeb301e9d7d0e

Aliases

arxiv: q-alg/9707025 · arxiv_version: q-alg/9707025v1 · doi: 10.48550/arxiv.q-alg/9707025 · pith_short_12: OINGJTFAM2RB · pith_short_16: OINGJTFAM2RB6YTX · pith_short_8: OINGJTFA

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/OINGJTFAM2RB6YTXJUBBT5TRUE \
  | 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: 721a64cca066a21f62774d0219f671a13f21b46d78e628c7802aeb301e9d7d0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fd674e3da55eea9413febf9d8f9c83eb4909dcc19c9a8477a7d1843156b3112",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "q-alg",
    "submitted_at": "1997-07-21T18:09:52Z",
    "title_canon_sha256": "34cef001e898e6e1ee0254d41ad8a8197a7053c62c926538781eea4f437d7cb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-alg/9707025",
    "kind": "arxiv",
    "version": 1
  }
}