Pith Number

pith:FXPJP2ZJ

pith:2017:FXPJP2ZJ4CZ2T5R4SZ2KKE2WJW

not attested not anchored not stored refs pending

The Braid Shelf

Patrick Dehornoy (LMNO)

arxiv:1711.09794 v2 · 2017-11-27 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXPJP2ZJ4CZ2T5R4SZ2KKE2WJW}

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	2026-05-18T00:24:03.879919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dde97eb29e0b3a9f63c9674a513564d8893301d01a95ed8dcfd588fa8771150

Aliases

arxiv: 1711.09794 · arxiv_version: 1711.09794v2 · doi: 10.48550/arxiv.1711.09794 · pith_short_12: FXPJP2ZJ4CZ2 · pith_short_16: FXPJP2ZJ4CZ2T5R4 · pith_short_8: FXPJP2ZJ

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/FXPJP2ZJ4CZ2T5R4SZ2KKE2WJW \
  | 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: 2dde97eb29e0b3a9f63c9674a513564d8893301d01a95ed8dcfd588fa8771150

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ca5f71d3859743753dd7bcf81d3f959bea332fe31f76177b3081ab8dc7a8814",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-11-27T16:04:40Z",
    "title_canon_sha256": "b021e6431e82ef14d603523650994afc444b9ce694b7fe765fc2eff7c507e425"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09794",
    "kind": "arxiv",
    "version": 2
  }
}