Pith Number

pith:PSSTKJED

pith:2014:PSSTKJEDCA3BUAFOG5F2AFVOFB

not attested not anchored not stored refs pending

On the Study of the General Group Classification of Systems of Linear Second-Order Ordinary Differential Equations

S. Moyo, S.V. Meleshko

arxiv:1401.8058 v1 · 2014-01-31 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PSSTKJEDCA3BUAFOG5F2AFVOFB}

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	2026-05-18T01:44:54.203110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ca535248310361a00ae374ba016ae284b3a72f6c378de0567135d20c169b978

Aliases

arxiv: 1401.8058 · arxiv_version: 1401.8058v1 · doi: 10.48550/arxiv.1401.8058 · pith_short_12: PSSTKJEDCA3B · pith_short_16: PSSTKJEDCA3BUAFO · pith_short_8: PSSTKJED

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/PSSTKJEDCA3BUAFOG5F2AFVOFB \
  | 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: 7ca535248310361a00ae374ba016ae284b3a72f6c378de0567135d20c169b978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "158c0a34f3cef1e3fa135248810e031bc1955a8d62ac14c65543ca7ee0d682c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-01-31T03:54:18Z",
    "title_canon_sha256": "eb626e081b93d1d2f7620fc1df8df6ad807b1a6a3443f116c2c53cbdbf19f4f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.8058",
    "kind": "arxiv",
    "version": 1
  }
}