Pith Number

pith:7ORI3O56

pith:2011:7ORI3O56GP2GQYT7JRVTANYEIP

not attested not anchored not stored refs pending

An invitation to web geometry

Jorge Vit\'orio Pereira, Luc Pirio

arxiv:1107.0595 v1 · 2011-07-04 · math.CV · math.AG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ORI3O56GP2GQYT7JRVTANYEIP}

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	2026-05-18T04:18:35.559557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fba28dbbbe33f468627f4c6b30370443e5c1634085f643a17f6c670f326dd979

Aliases

arxiv: 1107.0595 · arxiv_version: 1107.0595v1 · doi: 10.48550/arxiv.1107.0595 · pith_short_12: 7ORI3O56GP2G · pith_short_16: 7ORI3O56GP2GQYT7 · pith_short_8: 7ORI3O56

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/7ORI3O56GP2GQYT7JRVTANYEIP \
  | 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: fba28dbbbe33f468627f4c6b30370443e5c1634085f643a17f6c670f326dd979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b4cedebaa43f4fca3ff9c8fd731dd2298448121c47f14039d5270a3103ad485",
    "cross_cats_sorted": [
      "math.AG",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-07-04T11:15:09Z",
    "title_canon_sha256": "4e54849cd8ae8e9bb7bd537f61cf44b432eadda6ca2ad2fbff871fc7e95f375f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0595",
    "kind": "arxiv",
    "version": 1
  }
}