Pith Number

pith:QGOXBGSY

pith:1994:QGOXBGSYKRCK6UJBVNHWBUFMM6

not attested not anchored not stored refs pending

On Universal Vassiliev Invariants

Daniel Altschuler, Laurent Freidel

arxiv:hep-th/9403053 v1 · 1994-03-08 · hep-th · 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{QGOXBGSYKRCK6UJBVNHWBUFMM6}

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	2026-07-04T15:57:42.258283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

819d709a585444af5121ab4f60d0ac67ba1df8bf5764e9f9550a7f1a7e0dc6ec

Aliases

arxiv: hep-th/9403053 · arxiv_version: hep-th/9403053v1 · doi: 10.48550/arxiv.hep-th/9403053 · pith_short_12: QGOXBGSYKRCK · pith_short_16: QGOXBGSYKRCK6UJB · pith_short_8: QGOXBGSY

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/QGOXBGSYKRCK6UJBVNHWBUFMM6 \
  | 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: 819d709a585444af5121ab4f60d0ac67ba1df8bf5764e9f9550a7f1a7e0dc6ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d1100aa21071fe9164f6d52727ede092bfcb10cca3812ac92ca230263b134cc",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-03-08T18:22:52Z",
    "title_canon_sha256": "513665d2d679b820161bb5f1f611886abc9e56116da96c20b1c090f064c617d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9403053",
    "kind": "arxiv",
    "version": 1
  }
}