Pith Number

pith:LAW7DA6B

pith:2012:LAW7DA6BBVUYHTOEXAOVXCGP6J

not attested not anchored not stored refs pending

A New Graded Algebra Structure on Differential Polynomials: Level Grading and its Application to the Classification of Scalar Evolution Equations in 1+1 Dimension

A. H. Bilge, E. Mizrahi

arxiv:1204.3171 v1 · 2012-04-14 · 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{LAW7DA6BBVUYHTOEXAOVXCGP6J}

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	2026-05-18T03:57:52.349928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

582df183c10d6983cdc4b81d5b88cff24c4848201670e0bf3e3fad686d16cec7

Aliases

arxiv: 1204.3171 · arxiv_version: 1204.3171v1 · doi: 10.48550/arxiv.1204.3171 · pith_short_12: LAW7DA6BBVUY · pith_short_16: LAW7DA6BBVUYHTOE · pith_short_8: LAW7DA6B

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/LAW7DA6BBVUYHTOEXAOVXCGP6J \
  | 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: 582df183c10d6983cdc4b81d5b88cff24c4848201670e0bf3e3fad686d16cec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90f0c72efce87e5c704e4f13c6d87f97f973329f6904e111369dc8079b3e7201",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-04-14T13:32:50Z",
    "title_canon_sha256": "d264a2548c7dbe372cb49f53ed8638ddb34eeca85869efae7cfe50801bac12e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3171",
    "kind": "arxiv",
    "version": 1
  }
}