Pith Number

pith:BIQCYPKS

pith:1995:BIQCYPKSHEXHXESJLDEGC2NC2T

not attested not anchored not stored refs pending

Discrete Painleve equations: coalescences, limits and degeneracies

A. Ramani, B. Grammaticos

arxiv:solv-int/9510011 v1 · 1995-11-02 · solv-int · 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{BIQCYPKSHEXHXESJLDEGC2NC2T}

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	2026-05-18T01:37:52.081599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a202c3d52392e7b924958c86169a2d4c625c5a3d8025b8669ae138b4e693cd5

Aliases

arxiv: solv-int/9510011 · arxiv_version: solv-int/9510011v1 · doi: 10.48550/arxiv.solv-int/9510011 · pith_short_12: BIQCYPKSHEXH · pith_short_16: BIQCYPKSHEXHXESJ · pith_short_8: BIQCYPKS

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/BIQCYPKSHEXHXESJLDEGC2NC2T \
  | 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: 0a202c3d52392e7b924958c86169a2d4c625c5a3d8025b8669ae138b4e693cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fccfbd9343cbf0eb97f12e9a83e24efda08a2ccb75fab18f033524ba1e854ef",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1995-11-02T16:46:04Z",
    "title_canon_sha256": "07c1ce8cf6ae7bc7dca9ae5ef12767c5130179b35242378417a7c93022c48422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9510011",
    "kind": "arxiv",
    "version": 1
  }
}