Pith Number

pith:OGLFDZMN

pith:2011:OGLFDZMN4QOTPNB2PDURFHMXR4

not attested not anchored not stored refs pending

Polynomial kernels for Proper Interval Completion and related problems

Anthony Perez, St\'ephane Bessy

arxiv:1103.5599 v2 · 2011-03-29 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OGLFDZMN4QOTPNB2PDURFHMXR4}

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	2026-05-18T04:24:06.975665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

719651e58de41d37b43a78e9129d978f16506f067f06a0947378fd65084fdde3

Aliases

arxiv: 1103.5599 · arxiv_version: 1103.5599v2 · doi: 10.48550/arxiv.1103.5599 · pith_short_12: OGLFDZMN4QOT · pith_short_16: OGLFDZMN4QOTPNB2 · pith_short_8: OGLFDZMN

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/OGLFDZMN4QOTPNB2PDURFHMXR4 \
  | 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: 719651e58de41d37b43a78e9129d978f16506f067f06a0947378fd65084fdde3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b81d8c6aed552d3fb4502cb8235d73b1f079bfe692715a5dafb6ec88600b4aed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-03-29T10:45:31Z",
    "title_canon_sha256": "3ad254ad633fb963656700e8fd0fe0053953dfe039912b54e699490870a762d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5599",
    "kind": "arxiv",
    "version": 2
  }
}