Pith Number

pith:HMKNF7IW

pith:2019:HMKNF7IWINEJF7IROCINH5OKZL

not attested not anchored not stored refs pending

Rational real algebraic models of compact differential surfaces with circle actions

Adrien Dubouloz (IMB), Charlie Petitjean

arxiv:1904.06082 v1 · 2019-04-12 · 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{HMKNF7IWINEJF7IROCINH5OKZL}

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	2026-05-17T23:48:44.236963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b14d2fd16434892fd117090d3f5cacadc353c45238d9b86ec1e3c59bfe40802

Aliases

arxiv: 1904.06082 · arxiv_version: 1904.06082v1 · doi: 10.48550/arxiv.1904.06082 · pith_short_12: HMKNF7IWINEJ · pith_short_16: HMKNF7IWINEJF7IR · pith_short_8: HMKNF7IW

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/HMKNF7IWINEJF7IROCINH5OKZL \
  | 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: 3b14d2fd16434892fd117090d3f5cacadc353c45238d9b86ec1e3c59bfe40802

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "618400a0483c42765f96a611e1bcb440f97ee4d675382477288dc007312d1e59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-04-12T07:40:49Z",
    "title_canon_sha256": "b10ca6919e86dd93e6a4f1e7fafab96b3edd0b6099766a35ed3b8fe8617319b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06082",
    "kind": "arxiv",
    "version": 1
  }
}