Pith Number

pith:GCLJSVBJ

pith:2014:GCLJSVBJTGYPBNGZVFKKO5UEKG

not attested not anchored not stored refs pending

Group classification of variable coefficient K(m,n) equations

Christodoulos Sophocleous, Kyriakos Charalambous, Olena Vaneeva

arxiv:1403.2545 v2 · 2014-03-11 · math-ph · 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{GCLJSVBJTGYPBNGZVFKKO5UEKG}

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	2026-05-18T02:55:19.174956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

309699542999b0f0b4d9a954a7768451a35074ed2eaec2c9ad14154e4d88f2a8

Aliases

arxiv: 1403.2545 · arxiv_version: 1403.2545v2 · doi: 10.48550/arxiv.1403.2545 · pith_short_12: GCLJSVBJTGYP · pith_short_16: GCLJSVBJTGYPBNGZ · pith_short_8: GCLJSVBJ

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/GCLJSVBJTGYPBNGZVFKKO5UEKG \
  | 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: 309699542999b0f0b4d9a954a7768451a35074ed2eaec2c9ad14154e4d88f2a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3da4cb1583bb5b232366296b72a3d6a4e7350c0981371330cafa851545f94e64",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-03-11T11:54:23Z",
    "title_canon_sha256": "25c92780354ba0bdddf5518d4d5bc204bbf3b15133c6ac264ba68932963dd63a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2545",
    "kind": "arxiv",
    "version": 2
  }
}