Pith Number

pith:5PWZIWTO

pith:2014:5PWZIWTOEA7L5VELD7BDEWKRYP

not attested not anchored not stored refs pending

A doubly nonlinear evolution problem related to a model for microwave heating

Luca Scarpa

arxiv:1411.7617 v1 · 2014-11-27 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PWZIWTOEA7L5VELD7BDEWKRYP}

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	2026-05-18T00:48:43.386489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebed945a6e203ebed48b1fc2325951c3c6d9c4e67843e0679f18d359499a908c

Aliases

arxiv: 1411.7617 · arxiv_version: 1411.7617v1 · doi: 10.48550/arxiv.1411.7617 · pith_short_12: 5PWZIWTOEA7L · pith_short_16: 5PWZIWTOEA7L5VEL · pith_short_8: 5PWZIWTO

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/5PWZIWTOEA7L5VELD7BDEWKRYP \
  | 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: ebed945a6e203ebed48b1fc2325951c3c6d9c4e67843e0679f18d359499a908c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffb3f782c495eea6684cfee6464b1753aa20cb60b65d0c1ad05c8b920325564a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-11-27T15:02:36Z",
    "title_canon_sha256": "374bf146eac2141dda3a5a2c1f0a790a548ef04cde08ec80a5a09e83ee66ad60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7617",
    "kind": "arxiv",
    "version": 1
  }
}