Pith Number

pith:TSFJP7ZO

pith:2005:TSFJP7ZOBYRS6ZXBLRV2ZS6WDR

not attested not anchored not stored refs pending

Generalized Seifert surfaces and signatures of colored links

David Cimasoni, Vincent Florens

arxiv:math/0505185 v2 · 2005-05-10 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSFJP7ZOBYRS6ZXBLRV2ZS6WDR}

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	2026-05-18T03:49:10.723014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c8a97ff2e0e232f66e15c6baccbd61c78cdae1157f964946fa504113866da0e

Aliases

arxiv: math/0505185 · arxiv_version: math/0505185v2 · doi: 10.48550/arxiv.math/0505185 · pith_short_12: TSFJP7ZOBYRS · pith_short_16: TSFJP7ZOBYRS6ZXB · pith_short_8: TSFJP7ZO

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/TSFJP7ZOBYRS6ZXBLRV2ZS6WDR \
  | 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: 9c8a97ff2e0e232f66e15c6baccbd61c78cdae1157f964946fa504113866da0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9600d43aa8535664d989651c43e0e6f383190544c9681c0d7732fcdeae7f7644",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2005-05-10T15:42:11Z",
    "title_canon_sha256": "a93baf21f3cb26f1f9a2d781cef4444b0b9b9599a006ea99d6a909d56228913e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0505185",
    "kind": "arxiv",
    "version": 2
  }
}