Pith Number

pith:Z4ABWPNT

pith:2014:Z4ABWPNTCGZHGND7OMAXWUWEU2

not attested not anchored not stored refs pending

Obstructions de Brauer-Manin enti\`eres sur les espaces homog\`enes \`a stabilisateurs finis nilpotents

Cyril Demarche

arxiv:1402.6881 v1 · 2014-02-27 · math.NT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4ABWPNTCGZHGND7OMAXWUWEU2}

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	2026-05-18T02:57:36.701288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf001b3db311b273347f73017b52c4a68c4f879b1a1f9d137532ed385601971c

Aliases

arxiv: 1402.6881 · arxiv_version: 1402.6881v1 · doi: 10.48550/arxiv.1402.6881 · pith_short_12: Z4ABWPNTCGZH · pith_short_16: Z4ABWPNTCGZHGND7 · pith_short_8: Z4ABWPNT

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/Z4ABWPNTCGZHGND7OMAXWUWEU2 \
  | 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: cf001b3db311b273347f73017b52c4a68c4f879b1a1f9d137532ed385601971c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd7811347249ba18aefc7e8db6dbf0a40ea10282986c9ded06df377e7f5540d6",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-02-27T12:14:04Z",
    "title_canon_sha256": "eb93891e9d459b81b5f439ab9f0c27f92d782247e74b1b3fc690a737390f2a2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6881",
    "kind": "arxiv",
    "version": 1
  }
}