Pith Number

pith:JHYHX3VH

pith:2012:JHYHX3VHKRCUVHDMLIQWOMVPDB

not attested not anchored not stored refs pending

Linearly degenerate PDEs and quadratic line complexes

E.V. Ferapontov, J. Moss

arxiv:1204.2777 v1 · 2012-04-12 · math.DG · math-ph · math.AG · math.AP · math.MP · 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{JHYHX3VHKRCUVHDMLIQWOMVPDB}

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	2026-05-18T03:58:03.553693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49f07beea754454a9c6c5a216732af18574b6d988fbc5044ad2974ae46b5a05d

Aliases

arxiv: 1204.2777 · arxiv_version: 1204.2777v1 · doi: 10.48550/arxiv.1204.2777 · pith_short_12: JHYHX3VHKRCU · pith_short_16: JHYHX3VHKRCUVHDM · pith_short_8: JHYHX3VH

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/JHYHX3VHKRCUVHDMLIQWOMVPDB \
  | 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: 49f07beea754454a9c6c5a216732af18574b6d988fbc5044ad2974ae46b5a05d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59f30dcacfca611a19f31effed92e6b190dd2f831e578906f3f9c5b988b91640",
    "cross_cats_sorted": [
      "math-ph",
      "math.AG",
      "math.AP",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-04-12T17:27:57Z",
    "title_canon_sha256": "f57bf12fb4e976a6838b5ec62145bc5b92aa9838a6008f18cd6ef9943fd65846"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2777",
    "kind": "arxiv",
    "version": 1
  }
}