Pith Number

pith:FR4SEMIX

pith:2015:FR4SEMIXWQTR5W4EVTJAPLIVLN

not attested not anchored not stored refs pending

A Stefan-type stochastic moving boundary problem

Martin Keller-Ressel, Marvin S. Mueller

arxiv:1507.03276 v1 · 2015-07-12 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FR4SEMIXWQTR5W4EVTJAPLIVLN}

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	2026-05-18T00:25:44.603593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c79223117b4271edb84acd207ad155b44c4965cba43a108834244bc57cfeafb

Aliases

arxiv: 1507.03276 · arxiv_version: 1507.03276v1 · doi: 10.48550/arxiv.1507.03276 · pith_short_12: FR4SEMIXWQTR · pith_short_16: FR4SEMIXWQTR5W4E · pith_short_8: FR4SEMIX

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/FR4SEMIXWQTR5W4EVTJAPLIVLN \
  | 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: 2c79223117b4271edb84acd207ad155b44c4965cba43a108834244bc57cfeafb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99dd609df93d2effe9ea6bc352645f1a940576486e196c3d0d5f9e55f4b2b667",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2015-07-12T21:36:50Z",
    "title_canon_sha256": "6856e5996b69210cf11da656e733b7f4ad4231a00c9e99e3fd6452bf5feb9197"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03276",
    "kind": "arxiv",
    "version": 1
  }
}