Pith Number

pith:UCW46ODV

pith:2012:UCW46ODVOITTASVKN24QBYYXMF

not attested not anchored not stored refs pending

Vanishing evaluations of simple functors

Jacques Th\'evenaz (EPFL/FSB/), Radu Stancu (LAMFA), Serge Bouc (LAMFA)

arxiv:1210.2487 v1 · 2012-10-09 · math.GR · math.CT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCW46ODVOITTASVKN24QBYYXMF}

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	2026-05-18T03:43:41.361482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0adcf38757227304aaa6eb900e31761790c249ff8555ecc438f996521ba0cdf

Aliases

arxiv: 1210.2487 · arxiv_version: 1210.2487v1 · doi: 10.48550/arxiv.1210.2487 · pith_short_12: UCW46ODVOITT · pith_short_16: UCW46ODVOITTASVK · pith_short_8: UCW46ODV

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/UCW46ODVOITTASVKN24QBYYXMF \
  | 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: a0adcf38757227304aaa6eb900e31761790c249ff8555ecc438f996521ba0cdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1f47d7fb536d266896c7a9643d409b762ed3b611609478a96abb53052e7d748",
    "cross_cats_sorted": [
      "math.CT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2012-10-09T04:27:48Z",
    "title_canon_sha256": "b7337fc6fd42d39308714d71faace57400bad9ae33ea387fe5e3ebac2a112000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2487",
    "kind": "arxiv",
    "version": 1
  }
}