Pith Number

pith:BIII3FKL

pith:2019:BIII3FKLEPGG33OTFTMQMSMRKW

not attested not anchored not stored refs pending

Integrability of anti-self-dual vacuum Einstein equations with nonzero cosmological constant: an infinite hierarchy of nonlocal conservation laws

A. Sergyeyev, I. Krasil'shchik

arxiv:1901.07527 v3 · 2019-01-22 · nlin.SI · gr-qc · 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{BIII3FKLEPGG33OTFTMQMSMRKW}

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	2026-05-17T23:39:47.262380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a108d954b23cc6dedd32cd906499155a8d0f7a2a783e42246617ab27fdc7548

Aliases

arxiv: 1901.07527 · arxiv_version: 1901.07527v3 · doi: 10.48550/arxiv.1901.07527 · pith_short_12: BIII3FKLEPGG · pith_short_16: BIII3FKLEPGG33OT · pith_short_8: BIII3FKL

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/BIII3FKLEPGG33OTFTMQMSMRKW \
  | 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: 0a108d954b23cc6dedd32cd906499155a8d0f7a2a783e42246617ab27fdc7548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d25b64366ec1dd7345f1baad0d01cd8d754c38ac07c8cae685e371c6d0099eb",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2019-01-22T18:59:37Z",
    "title_canon_sha256": "05bf492447cb4fb7bb98894bb08274a6be3584a871dc7d0c1d959fc50c845a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07527",
    "kind": "arxiv",
    "version": 3
  }
}