Pith Number

pith:UQUPXUMI

pith:2017:UQUPXUMISRR2EMTX6KIHIV5476

not attested not anchored not stored refs pending

Conflict-Free Coloring of Intersection Graphs

Phillip Keldenich, S\'andor P. Fekete

arxiv:1709.03876 v1 · 2017-09-12 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQUPXUMISRR2EMTX6KIHIV5476}

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	2026-05-18T00:35:29.164040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a428fbd1889463a23277f2907457bcffa7bbf2d312d58e87bdc43bcfafeaee95

Aliases

arxiv: 1709.03876 · arxiv_version: 1709.03876v1 · doi: 10.48550/arxiv.1709.03876 · pith_short_12: UQUPXUMISRR2 · pith_short_16: UQUPXUMISRR2EMTX · pith_short_8: UQUPXUMI

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/UQUPXUMISRR2EMTX6KIHIV5476 \
  | 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: a428fbd1889463a23277f2907457bcffa7bbf2d312d58e87bdc43bcfafeaee95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c94617bcdd5117a7e2a3ef578bcc456a1e74f8869dfa0b15fd2cc776d1fca6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-09-12T14:46:31Z",
    "title_canon_sha256": "0629283c5b8e4529327324f4745a27a728077dd0ffe9f04fbdd32e64c9193376"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03876",
    "kind": "arxiv",
    "version": 1
  }
}