Pith Number

pith:WOLTAC23

pith:2013:WOLTAC23UIK4NOAQ7RXQTRT4UG

not attested not anchored not stored refs pending

Second order integrability conditions for difference equations. An integrable equation

Alexandre V. Mikhailov, Pavlos Xenitidis

arxiv:1305.4347 v1 · 2013-05-19 · 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{WOLTAC23UIK4NOAQ7RXQTRT4UG}

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	2026-05-18T01:49:48.988432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b397300b5ba215c6b810fc6f09c67ca1af8eae3b1007c530244044fb6df4f8d6

Aliases

arxiv: 1305.4347 · arxiv_version: 1305.4347v1 · doi: 10.48550/arxiv.1305.4347 · pith_short_12: WOLTAC23UIK4 · pith_short_16: WOLTAC23UIK4NOAQ · pith_short_8: WOLTAC23

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/WOLTAC23UIK4NOAQ7RXQTRT4UG \
  | 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: b397300b5ba215c6b810fc6f09c67ca1af8eae3b1007c530244044fb6df4f8d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "834bc9e85785efeacabf405f18cd21eb50053afe96746090cdab2994b1b013de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2013-05-19T10:56:18Z",
    "title_canon_sha256": "2a23bb5da9c8b8e093dfff5e89ef31d4ea3850e367117f359d16b48413c3a9bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4347",
    "kind": "arxiv",
    "version": 1
  }
}