Pith Number

pith:ER7U5PGQ

pith:2018:ER7U5PGQ55CRBSLPEATHFIJOND

not attested not anchored not stored refs pending

Lax pairs, recursion operators and bi-Hamiltonian representations of (3+1)-dimensional Hirota type equations

D. Yaz{\i}c{\i}, M. B. Sheftel

arxiv:1804.10620 v3 · 2018-04-28 · math-ph · gr-qc · math.MP · 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{ER7U5PGQ55CRBSLPEATHFIJOND}

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	2026-05-17T23:57:41.519506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

247f4ebcd0ef4510c96f202672a12e68de3d13650d6f810e0b8fbad5b02557ff

Aliases

arxiv: 1804.10620 · arxiv_version: 1804.10620v3 · doi: 10.48550/arxiv.1804.10620 · pith_short_12: ER7U5PGQ55CR · pith_short_16: ER7U5PGQ55CRBSLP · pith_short_8: ER7U5PGQ

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/ER7U5PGQ55CRBSLPEATHFIJOND \
  | 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: 247f4ebcd0ef4510c96f202672a12e68de3d13650d6f810e0b8fbad5b02557ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07cd6d9de4ed7ac79166ad39221499a619016ae602f01948a6ebde2033c499a6",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-04-28T07:18:27Z",
    "title_canon_sha256": "203d67ec68fe34e8c9355c8715bb2ef0774139694db4090bec91bc6b200c7008"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10620",
    "kind": "arxiv",
    "version": 3
  }
}