Pith Number

pith:FA3F37XQ

pith:2015:FA3F37XQNMTG3TZEEFBQWGENO3

not attested not anchored not stored refs pending

Meridional rank and bridge number for a class of links

Michel Boileau, Richard Weidmann, Yeonhee Jang

arxiv:1510.00816 v1 · 2015-10-03 · 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{FA3F37XQNMTG3TZEEFBQWGENO3}

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	2026-05-18T00:21:00.165792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28365dfef06b266dcf2421430b188d76f385431c4833ae31b64f5b9d5bef4307

Aliases

arxiv: 1510.00816 · arxiv_version: 1510.00816v1 · doi: 10.48550/arxiv.1510.00816 · pith_short_12: FA3F37XQNMTG · pith_short_16: FA3F37XQNMTG3TZE · pith_short_8: FA3F37XQ

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/FA3F37XQNMTG3TZEEFBQWGENO3 \
  | 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: 28365dfef06b266dcf2421430b188d76f385431c4833ae31b64f5b9d5bef4307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012393a609d79a4d78e2d36294bc6bf2797ec2e2c25ed554adb8e6c9058b1162",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-10-03T13:09:36Z",
    "title_canon_sha256": "05c31ef69c937ba913a4ceacb25b85551b4cf5a952d1aedff06619ba683939d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00816",
    "kind": "arxiv",
    "version": 1
  }
}