Pith Number

pith:OFMJBRHK

pith:2012:OFMJBRHKRIO3DWGMLPO6UMAVMB

not attested not anchored not stored refs pending

Parameterized Uniform Complexity in Numerics: from Smooth to Analytic, from NP-hard to Polytime

Akitoshi Kawamura, Carsten R\"osnick, Martin Ziegler, Norbert Th. M\"uller

arxiv:1211.4974 v1 · 2012-11-21 · cs.NA · cs.CC · 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{OFMJBRHKRIO3DWGMLPO6UMAVMB}

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	2026-05-18T03:40:15.385900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

715890c4ea8a1db1d8cc5bddea3015605a4ecf1ca2e079b9304acf180fecc979

Aliases

arxiv: 1211.4974 · arxiv_version: 1211.4974v1 · doi: 10.48550/arxiv.1211.4974 · pith_short_12: OFMJBRHKRIO3 · pith_short_16: OFMJBRHKRIO3DWGM · pith_short_8: OFMJBRHK

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/OFMJBRHKRIO3DWGMLPO6UMAVMB \
  | 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: 715890c4ea8a1db1d8cc5bddea3015605a4ecf1ca2e079b9304acf180fecc979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6618199bfa476ba213ac5bab17f5a08989590d36c53414824be236937395372c",
    "cross_cats_sorted": [
      "cs.CC",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2012-11-21T09:23:14Z",
    "title_canon_sha256": "b595ada866789bd3dfde4716024f6571afcba3892494a0df7f03229e37c89b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4974",
    "kind": "arxiv",
    "version": 1
  }
}