Pith Number

pith:GJQFBBJY

pith:2019:GJQFBBJYEVQAGU3PVVIDJAF6NP

not attested not anchored not stored refs pending

Simple and projective correspondence functors

Jacques Th\'evenaz, Serge Bouc

arxiv:1902.09816 v1 · 2019-02-26 · math.RT · math.CO · math.CT · 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{GJQFBBJYEVQAGU3PVVIDJAF6NP}

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	2026-05-17T23:52:35.275554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3260508538256003536fad503480be6bc4fd6f53c20ef00f7b8ba7c4c41e6a81

Aliases

arxiv: 1902.09816 · arxiv_version: 1902.09816v1 · doi: 10.48550/arxiv.1902.09816 · pith_short_12: GJQFBBJYEVQA · pith_short_16: GJQFBBJYEVQAGU3P · pith_short_8: GJQFBBJY

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/GJQFBBJYEVQAGU3PVVIDJAF6NP \
  | 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: 3260508538256003536fad503480be6bc4fd6f53c20ef00f7b8ba7c4c41e6a81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "542aec91c487d9420d6386e4873006fb14af318e3d9f78b7ffb10b61d641d343",
    "cross_cats_sorted": [
      "math.CO",
      "math.CT",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-02-26T09:20:13Z",
    "title_canon_sha256": "5d30ac6cf936cc2c4f5d2ea00f386195cc069afd4a03687e95752b4156850bf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09816",
    "kind": "arxiv",
    "version": 1
  }
}