Pith Number

pith:EFCMCS5I

pith:1994:EFCMCS5I7K2KYSFVM7QW24SVU5

not attested not anchored not stored refs pending

The blowup formula for Donaldson invariants

Ronald Fintushel, Ronald Stern

arxiv:alg-geom/9405002 v2 · 1994-05-09 · alg-geom · 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{EFCMCS5I7K2KYSFVM7QW24SVU5}

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.

Cited by

1 paper in Pith

Noncommutative Jacobi identity, and gauge theory

Receipt and verification

First computed	2026-07-04T15:07:13.506572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2144c14ba8fab4ac48b567e16d7255a7667e7e41765fd32571abda12d645b64c

Aliases

arxiv: alg-geom/9405002 · arxiv_version: alg-geom/9405002v2 · doi: 10.48550/arxiv.alg-geom/9405002 · pith_short_12: EFCMCS5I7K2K · pith_short_16: EFCMCS5I7K2KYSFV · pith_short_8: EFCMCS5I

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/EFCMCS5I7K2KYSFVM7QW24SVU5 \
  | 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: 2144c14ba8fab4ac48b567e16d7255a7667e7e41765fd32571abda12d645b64c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3a8341b4c6e15dcb2a9d8335653975923e24c21d6c79a885326cc9969306793",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "alg-geom",
    "submitted_at": "1994-05-09T17:19:18Z",
    "title_canon_sha256": "a134e8433fa19de86c9bb530dbd5bb17854d76d6202a94c7ebb1f511e1eeabad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9405002",
    "kind": "arxiv",
    "version": 2
  }
}