Pith Number

pith:KY5YFXVW

pith:2003:KY5YFXVWQN4RDNMTTSAESNGM2C

not attested not anchored not stored refs pending

Semi-classical differential structures

E.J. Beggs, S. Majid

arxiv:math/0306273 v2 · 2003-06-18 · math.QA · hep-th · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KY5YFXVWQN4RDNMTTSAESNGM2C}

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	2026-07-04T14:49:41.855616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

563b82deb6837911b5939c804934ccd0a5d4f58bf0acbe9fd5ea9e01710b41c9

Aliases

arxiv: math/0306273 · arxiv_version: math/0306273v2 · doi: 10.48550/arxiv.math/0306273 · pith_short_12: KY5YFXVWQN4R · pith_short_16: KY5YFXVWQN4RDNMT · pith_short_8: KY5YFXVW

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/KY5YFXVWQN4RDNMTTSAESNGM2C \
  | 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: 563b82deb6837911b5939c804934ccd0a5d4f58bf0acbe9fd5ea9e01710b41c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98393294a85c270bb4242f3c826b95ddc74d88536296f5b0bd9afcf4c8bd7496",
    "cross_cats_sorted": [
      "hep-th",
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "2003-06-18T17:30:16Z",
    "title_canon_sha256": "31e292574c1c6d3bf6c4387ff78b7798a8050f3aebc2ffa0fe5daade4321d356"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0306273",
    "kind": "arxiv",
    "version": 2
  }
}