Pith Number

pith:HHNEIUP2

pith:2015:HHNEIUP2UFOJ36DNJHWAVRSQX2

not attested not anchored not stored refs pending

$F$-WORM colorings: Results for 2-connected graphs

Csilla Bujt\'as, Zsolt Tuza

arxiv:1512.00478 v1 · 2015-12-01 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHNEIUP2UFOJ36DNJHWAVRSQX2}

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	2026-05-18T01:25:25.828113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39da4451faa15c9df86d49ec0ac650be9a0777972fc5e4b2e84053462c3ca43c

Aliases

arxiv: 1512.00478 · arxiv_version: 1512.00478v1 · doi: 10.48550/arxiv.1512.00478 · pith_short_12: HHNEIUP2UFOJ · pith_short_16: HHNEIUP2UFOJ36DN · pith_short_8: HHNEIUP2

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/HHNEIUP2UFOJ36DNJHWAVRSQX2 \
  | 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: 39da4451faa15c9df86d49ec0ac650be9a0777972fc5e4b2e84053462c3ca43c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0a5230a11d48e29bf950dbd719c4c39884454579e88e90225bfa296d1acce61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-12-01T21:04:07Z",
    "title_canon_sha256": "1cf27c60547508ecbf3e5272ef3b6c999d2dcb5e2717064e403d9be262b0991d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00478",
    "kind": "arxiv",
    "version": 1
  }
}