Pith Number

pith:DHNS3MU4

pith:2013:DHNS3MU4WQDGGAHCZEIQN5E2R3

not attested not anchored not stored refs pending

A Quasi-Lie Schemes Approach to Second-Order Gambier Equations

Javier de Lucas, Jos\'e F. Cari\~nena, Partha Guha

arxiv:1303.3434 v2 · 2013-03-14 · math-ph · math.CA · math.DG · 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{DHNS3MU4WQDGGAHCZEIQN5E2R3}

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	2026-05-18T03:29:49.902556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19db2db29cb4066300e2c91106f49a8ecd220ff4f608fb57e53d1c77e24c4b4c

Aliases

arxiv: 1303.3434 · arxiv_version: 1303.3434v2 · doi: 10.48550/arxiv.1303.3434 · pith_short_12: DHNS3MU4WQDG · pith_short_16: DHNS3MU4WQDGGAHC · pith_short_8: DHNS3MU4

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/DHNS3MU4WQDGGAHCZEIQN5E2R3 \
  | 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: 19db2db29cb4066300e2c91106f49a8ecd220ff4f608fb57e53d1c77e24c4b4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a7ebddb812f5a6d5a0a6dfedb5babc65833ba0dfd518d65b47d159dcdf4f546",
    "cross_cats_sorted": [
      "math.CA",
      "math.DG",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-03-14T13:14:15Z",
    "title_canon_sha256": "bb119a4448789bea3f9f5982c27d4aee979096739385f56bb03a702b93b0e4d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3434",
    "kind": "arxiv",
    "version": 2
  }
}