Pith Number

pith:LDEVJPI3

pith:2012:LDEVJPI3CRSR37Z7QMPUURSM46

not attested not anchored not stored refs pending

Packing interval graphs with vertex-disjoint triangles

Ton Kloks

arxiv:1202.1041 v1 · 2012-02-06 · 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{LDEVJPI3CRSR37Z7QMPUURSM46}

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	2026-05-18T04:03:05.281371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58c954bd1b14651dff3f831f4a464ce7a0e4aa354fdc77b8b42d693941436c14

Aliases

arxiv: 1202.1041 · arxiv_version: 1202.1041v1 · doi: 10.48550/arxiv.1202.1041 · pith_short_12: LDEVJPI3CRSR · pith_short_16: LDEVJPI3CRSR37Z7 · pith_short_8: LDEVJPI3

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/LDEVJPI3CRSR37Z7QMPUURSM46 \
  | 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: 58c954bd1b14651dff3f831f4a464ce7a0e4aa354fdc77b8b42d693941436c14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e42faaa888599534524ceeae35ae47d79b6eeb18f1fd1549c8bbe7305f56a9c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-02-06T03:36:23Z",
    "title_canon_sha256": "c7f9055f4ccb340e7edf0033358479467793ba6c50bafe8e846df27c26baae28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1041",
    "kind": "arxiv",
    "version": 1
  }
}