Pith Number

pith:WZSOBHVD

pith:2011:WZSOBHVDKCQ2NC7ZKKCDIEUGGW

not attested not anchored not stored refs pending

On thermodynamically consistent Stefan problems with variable surface energy

Gieri Simonett, Jan Pruess, Mathias Wilke

arxiv:1109.4542 v2 · 2011-09-21 · 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{WZSOBHVDKCQ2NC7ZKKCDIEUGGW}

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	2026-05-18T00:54:48.488524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b664e09ea350a1a68bf95284341286359fabab83fbc6d84921a9fee7b0170f2e

Aliases

arxiv: 1109.4542 · arxiv_version: 1109.4542v2 · doi: 10.48550/arxiv.1109.4542 · pith_short_12: WZSOBHVDKCQ2 · pith_short_16: WZSOBHVDKCQ2NC7Z · pith_short_8: WZSOBHVD

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/WZSOBHVDKCQ2NC7ZKKCDIEUGGW \
  | 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: b664e09ea350a1a68bf95284341286359fabab83fbc6d84921a9fee7b0170f2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3281336eeaf25d995b85bf9512efc21fa4dc7e4057b780c9b3fadbf5fe666d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-09-21T14:32:48Z",
    "title_canon_sha256": "f946e05c48caa42dae26a9f8417e90d1da3ceb6e26556d08b533aa948b189f0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4542",
    "kind": "arxiv",
    "version": 2
  }
}