Pith Number

pith:6WE26XNC

pith:2012:6WE26XNCVQNEYXX46VNUGWJUFW

not attested not anchored not stored refs pending

Singular limits for the two-phase Stefan problem

Gieri Simonett, Jan Pruess, Juergen Saal

arxiv:1212.6447 v1 · 2012-12-28 · 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{6WE26XNCVQNEYXX46VNUGWJUFW}

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	2026-05-18T00:54:48.463382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f589af5da2ac1a4c5efcf55b4359342da671ee4f9c481868c8b2981e18728f7f

Aliases

arxiv: 1212.6447 · arxiv_version: 1212.6447v1 · doi: 10.48550/arxiv.1212.6447 · pith_short_12: 6WE26XNCVQNE · pith_short_16: 6WE26XNCVQNEYXX4 · pith_short_8: 6WE26XNC

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/6WE26XNCVQNEYXX46VNUGWJUFW \
  | 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: f589af5da2ac1a4c5efcf55b4359342da671ee4f9c481868c8b2981e18728f7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "962bf0d04f8e6bd77a215991cb377e5c52e6d927bd560e8b4b9fe28af91a1676",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-12-28T01:09:53Z",
    "title_canon_sha256": "03b6cb43cdbe9df8e60e3c47b1b3a3bfe3f78316aab51cd7dc0d9c9f48eedca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6447",
    "kind": "arxiv",
    "version": 1
  }
}