Pith Number

pith:KQBKZAYT

pith:2015:KQBKZAYTHYEKGDZLL3V2ONSDE3

not attested not anchored not stored refs pending

A Posteriori Error Control for the Binary Mumford-Shah Model

Alexander Effland, Benjamin Berkels, Martin Rumpf

arxiv:1505.05284 v1 · 2015-05-20 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQBKZAYTHYEKGDZLL3V2ONSDE3}

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	2026-05-18T02:03:58.796633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5402ac83133e08a30f2b5eeba7364326d81cd81609e683d66755e1655236971d

Aliases

arxiv: 1505.05284 · arxiv_version: 1505.05284v1 · doi: 10.48550/arxiv.1505.05284 · pith_short_12: KQBKZAYTHYEK · pith_short_16: KQBKZAYTHYEKGDZL · pith_short_8: KQBKZAYT

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/KQBKZAYTHYEKGDZLL3V2ONSDE3 \
  | 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: 5402ac83133e08a30f2b5eeba7364326d81cd81609e683d66755e1655236971d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9da57a44b257fb440d6b744846155721b02cf54daaa9e82c5a8d6f14da121cce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-20T08:50:12Z",
    "title_canon_sha256": "c67e07eb8903c37bd0135b5123f4b10a2e629612e3c23b7339cbf8b066d76d3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05284",
    "kind": "arxiv",
    "version": 1
  }
}