Pith Number

pith:73CAOZX3

pith:2013:73CAOZX3LYSOICLE4XG3TBSA2J

not attested not anchored not stored refs pending

Le groupe fondamental d'un espace homog\`ene d'un groupe alg\'ebrique lin\'eaire

Cyril Demarche, Mikhail Borovoi

arxiv:1301.1046 v3 · 2013-01-06 · math.AG · math.AT · 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{73CAOZX3LYSOICLE4XG3TBSA2J}

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	2026-05-18T02:20:29.148600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec40766fb5e24e40964e5cdb98640d27ef0f4d4234c9ed220cbd091d8cc48fe

Aliases

arxiv: 1301.1046 · arxiv_version: 1301.1046v3 · doi: 10.48550/arxiv.1301.1046 · pith_short_12: 73CAOZX3LYSO · pith_short_16: 73CAOZX3LYSOICLE · pith_short_8: 73CAOZX3

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/73CAOZX3LYSOICLE4XG3TBSA2J \
  | 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: fec40766fb5e24e40964e5cdb98640d27ef0f4d4234c9ed220cbd091d8cc48fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6634d8c61b4769b610fdde289e3e96f6cc716231ae4eb062b46f38abc851e1c",
    "cross_cats_sorted": [
      "math.AT",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-01-06T19:56:58Z",
    "title_canon_sha256": "d34c2bc2f3fbc83606f3c149a269ad10f5e2c78cda89dbdee9d1bb4af5c12be9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1046",
    "kind": "arxiv",
    "version": 3
  }
}