Pith Number

pith:GMZHOP4O

pith:2017:GMZHOP4OIYLBW2EAB52S53JMJH

not attested not anchored not stored refs pending

Discrete stochastic approximations of the Mumford-Shah functional

Matthias Ruf

arxiv:1710.05571 v2 · 2017-10-16 · 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{GMZHOP4OIYLBW2EAB52S53JMJH}

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	2026-05-17T23:53:01.389184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3332773f8e46161b68800f752eed2c49ccbce53e831feff8137b6609a3f955ac

Aliases

arxiv: 1710.05571 · arxiv_version: 1710.05571v2 · doi: 10.48550/arxiv.1710.05571 · pith_short_12: GMZHOP4OIYLB · pith_short_16: GMZHOP4OIYLBW2EA · pith_short_8: GMZHOP4O

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/GMZHOP4OIYLBW2EAB52S53JMJH \
  | 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: 3332773f8e46161b68800f752eed2c49ccbce53e831feff8137b6609a3f955ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec181d720480f874bb6a56a14cf2d95d3f3543c6d7a378b4f357250731f8b37e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-10-16T09:03:16Z",
    "title_canon_sha256": "abf0ad297fa936b5563b8c1c97230d1b82d6f9c92b8b61feeb75d6626e87a2e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05571",
    "kind": "arxiv",
    "version": 2
  }
}