Pith Number

pith:IANAKDTC

pith:2014:IANAKDTCT2XDGHE2NRF4LR4VFT

not attested not anchored not stored refs pending

The Pfaffian-Grassmannian equivalence revisited

Ed Segal, Nicolas Addington, Will Donovan

arxiv:1401.3661 v3 · 2014-01-15 · math.AG · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IANAKDTCT2XDGHE2NRF4LR4VFT}

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

The Fano of lines, the Kuznetsov component, and a flop

Receipt and verification

First computed	2026-05-18T01:08:36.066180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

401a050e629eae331c9a6c4bc5c7952ce4f8baa541ef5f038d588c15b1740442

Aliases

arxiv: 1401.3661 · arxiv_version: 1401.3661v3 · doi: 10.48550/arxiv.1401.3661 · pith_short_12: IANAKDTCT2XD · pith_short_16: IANAKDTCT2XDGHE2 · pith_short_8: IANAKDTC

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/IANAKDTCT2XDGHE2NRF4LR4VFT \
  | 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: 401a050e629eae331c9a6c4bc5c7952ce4f8baa541ef5f038d588c15b1740442

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eadac32022a24f71764d7658c6ac214cf1d74daad946ddf5db6c2cfac9680806",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-01-15T16:53:15Z",
    "title_canon_sha256": "6cf9b331b453e630175552e6ce8ee84767b3479c029a1cb1ca3c1ef596bdff2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3661",
    "kind": "arxiv",
    "version": 3
  }
}