Pith Number

pith:4XTBAZ4Q

pith:2016:4XTBAZ4QY6HDKLKOUBN5YPCIJH

not attested not anchored not stored refs pending

Surfaces de Bonnet et \'equations de Painlev\'e

CNRS, France), Robert Conte (ENS Cachan, Universit\'e Paris-Saclay

arxiv:1607.01222 v2 · 2016-07-05 · math-ph · math.DG · 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{4XTBAZ4QY6HDKLKOUBN5YPCIJH}

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	2026-05-18T00:33:00.100916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5e6106790c78e352d4ea05bdc3c4849d3a5d13388b77948f1b815efffa4157b

Aliases

arxiv: 1607.01222 · arxiv_version: 1607.01222v2 · doi: 10.48550/arxiv.1607.01222 · pith_short_12: 4XTBAZ4QY6HD · pith_short_16: 4XTBAZ4QY6HDKLKO · pith_short_8: 4XTBAZ4Q

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/4XTBAZ4QY6HDKLKOUBN5YPCIJH \
  | 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: e5e6106790c78e352d4ea05bdc3c4849d3a5d13388b77948f1b815efffa4157b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62743da529c97d1bcf7fa25847a91735ad1a07b450fd90b4dd56044716e7969c",
    "cross_cats_sorted": [
      "math.DG",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-07-05T12:30:09Z",
    "title_canon_sha256": "9ac9d84c2e397ac4e05d3797b0c136425d3f68991649cedf5762beccf2bc67fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01222",
    "kind": "arxiv",
    "version": 2
  }
}