Pith Number

pith:JRFEL5KG

pith:2016:JRFEL5KGGVT7234UYYXDDLQRD7

not attested not anchored not stored refs pending

The constant of recognizability is computable for primitive morphisms

Fabien Durand, Julien Leroy

arxiv:1610.05577 v1 · 2016-10-18 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JRFEL5KGGVT7234UYYXDDLQRD7}

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	2026-05-18T01:01:58.925918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c4a45f5463567fd6f94c62e31ae111fc55e770a5d71ac0939b2d47f2853ade7

Aliases

arxiv: 1610.05577 · arxiv_version: 1610.05577v1 · doi: 10.48550/arxiv.1610.05577 · pith_short_12: JRFEL5KGGVT7 · pith_short_16: JRFEL5KGGVT7234U · pith_short_8: JRFEL5KG

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/JRFEL5KGGVT7234UYYXDDLQRD7 \
  | 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: 4c4a45f5463567fd6f94c62e31ae111fc55e770a5d71ac0939b2d47f2853ade7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1b5d4c556abac674b30dc7ad582183b5b6062504bf1bc4ac8b15c44ec36551f",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-10-18T12:45:25Z",
    "title_canon_sha256": "2b544dcff84be1991cb2643c332d7288206d8d1c171b939f2cae729a6cad9492"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05577",
    "kind": "arxiv",
    "version": 1
  }
}