Pith Number

pith:H7DJCP4P

pith:2013:H7DJCP4PFKS4STXCPIQIQV3S4P

not attested not anchored not stored refs pending

Some fourth order nonlinear elliptic problems related to epitaxial growth

Carlos Escudero, Ireneo Peral

arxiv:1309.5656 v1 · 2013-09-22 · math.AP · math-ph · 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{H7DJCP4PFKS4STXCPIQIQV3S4P}

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	2026-05-18T03:12:35.633404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fc6913f8f2aa5c94ee27a20885772e3c6827311ba4287581d0a8677c15a7bcf

Aliases

arxiv: 1309.5656 · arxiv_version: 1309.5656v1 · doi: 10.48550/arxiv.1309.5656 · pith_short_12: H7DJCP4PFKS4 · pith_short_16: H7DJCP4PFKS4STXC · pith_short_8: H7DJCP4P

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/H7DJCP4PFKS4STXCPIQIQV3S4P \
  | 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: 3fc6913f8f2aa5c94ee27a20885772e3c6827311ba4287581d0a8677c15a7bcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bf4685cf0a938f38eb0d21f47508ccc6a7a61468c2d1a9b9182208358a2e49d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-09-22T21:33:34Z",
    "title_canon_sha256": "67280074fe81c81aa5af2d1a0a29f413ab6512cc4c75eab4c29bdcfd25e7a894"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5656",
    "kind": "arxiv",
    "version": 1
  }
}