Pith Number

pith:H6SS24DZ

pith:1999:H6SS24DZETRWK65Y7F5UXPE7CB

not attested not anchored not stored refs pending

Configuration spaces and Vassiliev classes in any dimension

Alberto S. Cattaneo, Paolo Cotta-Ramusino, Riccardo Longoni

arxiv:math/9910139 v4 · 1999-10-26 · math.GT · hep-th · math-ph · math.AT · math.MP · 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{H6SS24DZETRWK65Y7F5UXPE7CB}

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	2026-05-18T02:41:26.498281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fa52d707924e3657bb8f97b4bbc9f1047febc0522ac1c3db7477cdb9039a21c

Aliases

arxiv: math/9910139 · arxiv_version: math/9910139v4 · doi: 10.48550/arxiv.math/9910139 · pith_short_12: H6SS24DZETRW · pith_short_16: H6SS24DZETRWK65Y · pith_short_8: H6SS24DZ

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/H6SS24DZETRWK65Y7F5UXPE7CB \
  | 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: 3fa52d707924e3657bb8f97b4bbc9f1047febc0522ac1c3db7477cdb9039a21c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48b81ed73f3b70c6c84de7a03ada1a14f3a7d1b8d8c6dbf66664066e1a66b1a5",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.AT",
      "math.MP",
      "math.QA"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "1999-10-26T16:33:06Z",
    "title_canon_sha256": "924b4701cecb0fd7f05c45e4146aabe5256b2c9673f1fca249e71ea563fbfc20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9910139",
    "kind": "arxiv",
    "version": 4
  }
}