Pith Number

pith:GI7Q5D3G

pith:2014:GI7Q5D3GW7LXSFJYVRWDI4CTVC

not attested not anchored not stored refs pending

Spectral curves and discrete Painlev\'e equations

Christopher M. Ormerod

arxiv:1412.3846 v1 · 2014-12-11 · 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{GI7Q5D3GW7LXSFJYVRWDI4CTVC}

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	2026-05-18T02:31:29.502095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

323f0e8f66b7d7791538ac6c347053a89ccc796de004121af47e0d396c93b80e

Aliases

arxiv: 1412.3846 · arxiv_version: 1412.3846v1 · doi: 10.48550/arxiv.1412.3846 · pith_short_12: GI7Q5D3GW7LX · pith_short_16: GI7Q5D3GW7LXSFJY · pith_short_8: GI7Q5D3G

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/GI7Q5D3GW7LXSFJYVRWDI4CTVC \
  | 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: 323f0e8f66b7d7791538ac6c347053a89ccc796de004121af47e0d396c93b80e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0afd7c8ea3247c822c8ac71175ccf8b0d9dbf6fb30cccd23f6637a63cb6197c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2014-12-11T22:29:55Z",
    "title_canon_sha256": "64ccab1de873fe4444ef5b368b2b904d988e7f481d15ea529306565ac9907e26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3846",
    "kind": "arxiv",
    "version": 1
  }
}