Pith Number

pith:RA5AFR2B

pith:2019:RA5AFR2B4QMOQ7YZIUXD6EJHAM

not attested not anchored not stored refs pending

A simple-looking relative of the Novikov, Hirota-Satsuma and Sawada-Kotera equations

Alexander G. Rasin, Jeremy Schiff

arxiv:1905.02179 v1 · 2019-05-06 · nlin.SI · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RA5AFR2B4QMOQ7YZIUXD6EJHAM}

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	2026-05-17T23:46:56.168591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

883a02c741e418e87f19452e3f1127030c000d2a637c452150c3e59633f9ef26

Aliases

arxiv: 1905.02179 · arxiv_version: 1905.02179v1 · doi: 10.48550/arxiv.1905.02179 · pith_short_12: RA5AFR2B4QMO · pith_short_16: RA5AFR2B4QMOQ7YZ · pith_short_8: RA5AFR2B

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/RA5AFR2B4QMOQ7YZIUXD6EJHAM \
  | 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: 883a02c741e418e87f19452e3f1127030c000d2a637c452150c3e59633f9ef26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0d3282437200d82045ef300a3fa374330dd5a6515b34bcc62614e1c80ce7203",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2019-05-06T17:54:18Z",
    "title_canon_sha256": "3159b04651a25d42a786c86be09aab575b4af106cc325f796265184b4569cbac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02179",
    "kind": "arxiv",
    "version": 1
  }
}