Pith Number

pith:EUUCCW7O

pith:1999:EUUCCW7OH7FXYIO6KAC54P5HZF

not attested not anchored not stored refs pending

Some examples of isomorphisms induced by Fourier-Mukai functors

Kota Yoshioka

arxiv:math/9902105 v1 · 1999-02-18 · 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{EUUCCW7OH7FXYIO6KAC54P5HZF}

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	2026-07-04T14:40:58.121085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2528215bee3fcb7c21de5005de3fa7c95d3e0ebf2ff816dd2156e033218f1822

Aliases

arxiv: math/9902105 · arxiv_version: math/9902105v1 · doi: 10.48550/arxiv.math/9902105 · pith_short_12: EUUCCW7OH7FX · pith_short_16: EUUCCW7OH7FXYIO6 · pith_short_8: EUUCCW7O

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/EUUCCW7OH7FXYIO6KAC54P5HZF \
  | 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: 2528215bee3fcb7c21de5005de3fa7c95d3e0ebf2ff816dd2156e033218f1822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "958a01027afc8e730c58395b2ffbc5586e23d680c2f1dbf7bed66479af394f01",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "1999-02-18T12:42:58Z",
    "title_canon_sha256": "ad8d4dcb32348c61cb6523f485b55df4af493e8579e0d62055e2eee6ea422af4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9902105",
    "kind": "arxiv",
    "version": 1
  }
}