Pith Number

pith:NWB64JI2

pith:2020:NWB64JI253QY4HNSAZF2FIXLYV

not attested not anchored not stored refs pending

The Super Mumford Form and Sato Grassmannian

Katherine A. Maxwell

arxiv:2002.06625 v2 · 2020-02-16 · math-ph · hep-th · math.AG · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NWB64JI253QY4HNSAZF2FIXLYV}

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	2026-07-05T11:06:17.841016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d83ee251aeee18e1db2064ba2a2ebc55915b79436631612e423615a9a677d74

Aliases

arxiv: 2002.06625 · arxiv_version: 2002.06625v2 · doi: 10.48550/arxiv.2002.06625 · pith_short_12: NWB64JI253QY · pith_short_16: NWB64JI253QY4HNS · pith_short_8: NWB64JI2

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/NWB64JI253QY4HNSAZF2FIXLYV \
  | 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: 6d83ee251aeee18e1db2064ba2a2ebc55915b79436631612e423615a9a677d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ef757ccc901490c67a44bebe5fd3ea23fb4d450857cbcd7005acca3e5b1a4dc",
    "cross_cats_sorted": [
      "hep-th",
      "math.AG",
      "math.MP",
      "math.QA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2020-02-16T17:40:55Z",
    "title_canon_sha256": "9ef15f9b1af9ffd1f7e0b1b619780b77141f1e930128b789357d6c12a6b132fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.06625",
    "kind": "arxiv",
    "version": 2
  }
}