Pith Number

pith:R7CSMSTD

pith:2011:R7CSMSTDE5UOEDKBWLQMJJPOC6

not attested not anchored not stored refs pending

Well-posedness for the classical Stefan problem and the zero surface tension limit

Mahir Hadzic, Steve Shkoller

arxiv:1112.5817 v2 · 2011-12-26 · 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{R7CSMSTDE5UOEDKBWLQMJJPOC6}

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	2026-05-18T01:14:26.393687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc5264a632768e20d41b2e0c4a5ee179405a27f4e0f886e1290f910245ec0c4

Aliases

arxiv: 1112.5817 · arxiv_version: 1112.5817v2 · doi: 10.48550/arxiv.1112.5817 · pith_short_12: R7CSMSTDE5UO · pith_short_16: R7CSMSTDE5UOEDKB · pith_short_8: R7CSMSTD

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/R7CSMSTDE5UOEDKBWLQMJJPOC6 \
  | 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: 8fc5264a632768e20d41b2e0c4a5ee179405a27f4e0f886e1290f910245ec0c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8220536ab96689e39eb1c5c0aedef1b606a512aad9fc27d5bf1fc591db2b32b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-12-26T06:45:36Z",
    "title_canon_sha256": "a746992558fa2fbab3d3631a4a30b619d6d62569901709217253878168a2bfbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5817",
    "kind": "arxiv",
    "version": 2
  }
}