Pith Number

pith:IY5AO5IF

pith:2014:IY5AO5IFX6AHESGN7KVQEGXHIR

not attested not anchored not stored refs pending

The four-dimensional Martinez Alonso--Shabat equation: reductions and nonlocal symmetries

A. Sergyeyev, O.I. Morozov

arxiv:1401.7942 v2 · 2014-01-30 · 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{IY5AO5IFX6AHESGN7KVQEGXHIR}

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	2026-05-18T00:34:00.595067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

463a077505bf807248cdfaab021ae74442cd591dd85a2d7cc8799172554c7d46

Aliases

arxiv: 1401.7942 · arxiv_version: 1401.7942v2 · doi: 10.48550/arxiv.1401.7942 · pith_short_12: IY5AO5IFX6AH · pith_short_16: IY5AO5IFX6AHESGN · pith_short_8: IY5AO5IF

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/IY5AO5IFX6AHESGN7KVQEGXHIR \
  | 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: 463a077505bf807248cdfaab021ae74442cd591dd85a2d7cc8799172554c7d46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0737d1ee929b763b17b48d3392d6d1a4c471f4ca143730494932065ba570c7e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2014-01-30T18:14:28Z",
    "title_canon_sha256": "80e30ac2f7ba2df5380e26c9f4ee858e172aca759867401dd8ed9675787e70a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7942",
    "kind": "arxiv",
    "version": 2
  }
}