Pith Number

pith:KTRWBQ5M

pith:2012:KTRWBQ5MR3IPQHAOGBBGNRH5EU

not attested not anchored not stored refs pending

On a non linear third - order parabolic equation

Monica De Angelis

arxiv:1207.2190 v1 · 2012-07-09 · math-ph · cond-mat.supr-con · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTRWBQ5MR3IPQHAOGBBGNRH5EU}

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	2026-05-18T03:51:24.773516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54e360c3ac8ed0f81c0e304266c4fd25247ca5bab94e67546dfb72d253e05395

Aliases

arxiv: 1207.2190 · arxiv_version: 1207.2190v1 · doi: 10.48550/arxiv.1207.2190 · pith_short_12: KTRWBQ5MR3IP · pith_short_16: KTRWBQ5MR3IPQHAO · pith_short_8: KTRWBQ5M

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/KTRWBQ5MR3IPQHAOGBBGNRH5EU \
  | 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: 54e360c3ac8ed0f81c0e304266c4fd25247ca5bab94e67546dfb72d253e05395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84d4fe2b7d5bd9fc240ca75b3a772622099e4628aab66f3f82758c9abc85444d",
    "cross_cats_sorted": [
      "cond-mat.supr-con",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-07-09T21:47:59Z",
    "title_canon_sha256": "4ebdce151afdb19410c06a62ca5fa2bc008b5737ef0d0f73fded6c81722d51ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2190",
    "kind": "arxiv",
    "version": 1
  }
}