Pith Number

pith:Z3LT4ZPC

pith:2013:Z3LT4ZPC3OTC5VL43R6JN4GZB4

not attested not anchored not stored refs pending

Symmetries of trivial systems of ODEs of mixed order

Boris Doubrov, Igor zelenko

arxiv:1302.7119 v2 · 2013-02-28 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z3LT4ZPC3OTC5VL43R6JN4GZB4}

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	2026-05-18T03:19:13.130107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ced73e65e2dba62ed57cdc7c96f0d90f1e21e7c9121443c87a1e8edaa704adbd

Aliases

arxiv: 1302.7119 · arxiv_version: 1302.7119v2 · doi: 10.48550/arxiv.1302.7119 · pith_short_12: Z3LT4ZPC3OTC · pith_short_16: Z3LT4ZPC3OTC5VL4 · pith_short_8: Z3LT4ZPC

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/Z3LT4ZPC3OTC5VL43R6JN4GZB4 \
  | 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: ced73e65e2dba62ed57cdc7c96f0d90f1e21e7c9121443c87a1e8edaa704adbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4f8938bfd95adecf8c662dbe03085287465338925fb0b29ee97ad98d4d75d11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-02-28T09:12:22Z",
    "title_canon_sha256": "c2338b140f8111adb58692d4b93f75211422930c037c12e24549203d487d7ff0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7119",
    "kind": "arxiv",
    "version": 2
  }
}