Pith Number

pith:PGUUBAJS

pith:2013:PGUUBAJSEWPX27USZLEG723UEQ

not attested not anchored not stored refs pending

Einstein--Weyl geometry, dispersionless Hirota equation and Veronese webs

Maciej Dunajski, Wojciech Krynski

arxiv:1301.0621 v2 · 2013-01-03 · math.DG · hep-th · 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{PGUUBAJSEWPX27USZLEG723UEQ}

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	2026-05-17T23:53:35.890259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79a9408132259f7d7e92cac86feb74241e408fade1e9cf585d875c707977730a

Aliases

arxiv: 1301.0621 · arxiv_version: 1301.0621v2 · doi: 10.48550/arxiv.1301.0621 · pith_short_12: PGUUBAJSEWPX · pith_short_16: PGUUBAJSEWPX27US · pith_short_8: PGUUBAJS

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/PGUUBAJSEWPX27USZLEG723UEQ \
  | 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: 79a9408132259f7d7e92cac86feb74241e408fade1e9cf585d875c707977730a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eea5dc95818c0e06cd232e7ba116119e51e2e1ec9893647dc2455d0935b9df8",
    "cross_cats_sorted": [
      "hep-th",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-01-03T21:00:01Z",
    "title_canon_sha256": "5f26c973d2190a5d24a6ff19e495f89124b915b16998c8b60aee94cea20bc27e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0621",
    "kind": "arxiv",
    "version": 2
  }
}