Pith Number

pith:ISOOLB2K

pith:2010:ISOOLB2KMKYXKBN4BY756NIMM3

not attested not anchored not stored refs pending

Psi-floor diagrams and a Caporaso-Harris type recursion

Andreas Gathmann, Florian Block, Hannah Markwig

arxiv:1003.2067 v2 · 2010-03-10 · 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{ISOOLB2KMKYXKBN4BY756NIMM3}

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	2026-05-18T04:05:05.466241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

449ce5874a62b17505bc0e3fdf350c66c1e280530f2728da73b527f1c5c516ed

Aliases

arxiv: 1003.2067 · arxiv_version: 1003.2067v2 · doi: 10.48550/arxiv.1003.2067 · pith_short_12: ISOOLB2KMKYX · pith_short_16: ISOOLB2KMKYXKBN4 · pith_short_8: ISOOLB2K

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/ISOOLB2KMKYXKBN4BY756NIMM3 \
  | 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: 449ce5874a62b17505bc0e3fdf350c66c1e280530f2728da73b527f1c5c516ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1710d8fc95a69894bc366395ff59442816b13deed0febb961f0cc21318c11b7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-03-10T10:14:32Z",
    "title_canon_sha256": "ec60526756d3f434438740c90f0d41f1fd258ec018fd903cca50f48a419330ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2067",
    "kind": "arxiv",
    "version": 2
  }
}