Pith Number

pith:4O4MWICE

pith:2009:4O4MWICEACJ2A3QBSIDNB6VZBB

not attested not anchored not stored refs pending

The tt* structure of the quantum cohomology of CP^1 from the viewpoint of differential geometry

Josef Dorfmeister, Martin Guest, Wayne Rossman

arxiv:0905.3876 v2 · 2009-05-24 · 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{4O4MWICEACJ2A3QBSIDNB6VZBB}

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	2026-05-18T04:27:36.446023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3b8cb20440093a06e019206d0fab90850db60145230efc5d3e5e9d1fff82572

Aliases

arxiv: 0905.3876 · arxiv_version: 0905.3876v2 · doi: 10.48550/arxiv.0905.3876 · pith_short_12: 4O4MWICEACJ2 · pith_short_16: 4O4MWICEACJ2A3QB · pith_short_8: 4O4MWICE

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/4O4MWICEACJ2A3QBSIDNB6VZBB \
  | 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: e3b8cb20440093a06e019206d0fab90850db60145230efc5d3e5e9d1fff82572

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fde19e3c058470cb2a34e0b94f95f1619ec1c49ccdaeccae0eb5e870c48fa21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-05-24T07:20:45Z",
    "title_canon_sha256": "29589a50750df11aed775f8a2aca7a58d3d8844de11462a89879c116077b2ec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3876",
    "kind": "arxiv",
    "version": 2
  }
}