Pith Number

pith:NKF5AZ6V

pith:2013:NKF5AZ6VGCX74TKJC7CTJ7NRBJ

not attested not anchored not stored refs pending

Algebraic differential equations associated to some polynomials

Daniel Barlet (IUF, IECL)

arxiv:1305.6778 v2 · 2013-05-29 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKF5AZ6VGCX74TKJC7CTJ7NRBJ}

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	2026-05-18T02:57:26.867339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a8bd067d530affe4d4917c534fdb10a4a9f824664460927ce16d55e8c2c7f1a

Aliases

arxiv: 1305.6778 · arxiv_version: 1305.6778v2 · doi: 10.48550/arxiv.1305.6778 · pith_short_12: NKF5AZ6VGCX7 · pith_short_16: NKF5AZ6VGCX74TKJ · pith_short_8: NKF5AZ6V

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/NKF5AZ6VGCX74TKJC7CTJ7NRBJ \
  | 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: 6a8bd067d530affe4d4917c534fdb10a4a9f824664460927ce16d55e8c2c7f1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da3bd32e77c1cbf9b7cbafba93859b87b97d85c76ad9a6e166e028c8726ac1a5",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-29T12:41:08Z",
    "title_canon_sha256": "bd9cda247e9164d46f9e28caa1a66dad6c1825eb9027dc8201fd83e02577f661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6778",
    "kind": "arxiv",
    "version": 2
  }
}