Pith Number

pith:UUSRL6TQ

pith:2012:UUSRL6TQEVN3PP2UVBADMENE7C

not attested not anchored not stored refs pending

Frobenius 3-Folds via Singular Flat 3-Webs

Sergey I. Agafonov

arxiv:1206.0372 v2 · 2012-06-02 · math.DG · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUSRL6TQEVN3PP2UVBADMENE7C}

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	2026-05-18T02:21:09.198929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a52515fa70255bb7bf54a8403611a4f8b759e712b08a2cf8b2001a011f94da45

Aliases

arxiv: 1206.0372 · arxiv_version: 1206.0372v2 · doi: 10.48550/arxiv.1206.0372 · pith_short_12: UUSRL6TQEVN3 · pith_short_16: UUSRL6TQEVN3PP2U · pith_short_8: UUSRL6TQ

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/UUSRL6TQEVN3PP2UVBADMENE7C \
  | 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: a52515fa70255bb7bf54a8403611a4f8b759e712b08a2cf8b2001a011f94da45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bb8ad59bff89db8c3c978cf9956c25385d1624a852b9263c38adaab90640925",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-06-02T12:24:21Z",
    "title_canon_sha256": "01c26b86b9e14c9c236392fbcc846212f0586558f0210c747c1a2eb1e4f46202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0372",
    "kind": "arxiv",
    "version": 2
  }
}