Pith Number

pith:3PRL6UY2

pith:2010:3PRL6UY2CQFPUPGX4TLBRSP47F

not attested not anchored not stored refs pending

Balanced Interval Coloring

Alexander Souza, Antonios Antoniadis, Carsten Moldenhauer, Falk H\"uffner, Pascal Lenzner

arxiv:1012.3932 v1 · 2010-12-17 · 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{3PRL6UY2CQFPUPGX4TLBRSP47F}

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	2026-05-18T04:33:03.593906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe2bf531a140afa3cd7e4d618c9fcf95a37a9a411e940990bdd9cb672aef3bb

Aliases

arxiv: 1012.3932 · arxiv_version: 1012.3932v1 · doi: 10.48550/arxiv.1012.3932 · pith_short_12: 3PRL6UY2CQFP · pith_short_16: 3PRL6UY2CQFPUPGX · pith_short_8: 3PRL6UY2

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/3PRL6UY2CQFPUPGX4TLBRSP47F \
  | 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: dbe2bf531a140afa3cd7e4d618c9fcf95a37a9a411e940990bdd9cb672aef3bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e02aa8ae657c29ae70e3e70061cc27b9e4251d0113bab02abd28d48524ee4bb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-12-17T17:26:31Z",
    "title_canon_sha256": "1aeedc6fed1b315089257c43db55dc272e9be46fe87dcf9837d98ca4ddc5905e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3932",
    "kind": "arxiv",
    "version": 1
  }
}