Pith Number

pith:FJBKNMTF

pith:2016:FJBKNMTFEJZSI6VAHZ65WHXRI3

not attested not anchored not stored refs pending

Greedy online colouring with buffering

Anna {\L}yczkowska-Han\'ckowiak, Wojciech Kordecki

arxiv:1601.00252 v1 · 2016-01-03 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJBKNMTFEJZSI6VAHZ65WHXRI3}

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	2026-05-18T01:23:28.048491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a42a6b2652273247aa03e7ddb1ef146ecb31301b0261035493781a90963c511

Aliases

arxiv: 1601.00252 · arxiv_version: 1601.00252v1 · doi: 10.48550/arxiv.1601.00252 · pith_short_12: FJBKNMTFEJZS · pith_short_16: FJBKNMTFEJZSI6VA · pith_short_8: FJBKNMTF

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/FJBKNMTFEJZSI6VAHZ65WHXRI3 \
  | 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: 2a42a6b2652273247aa03e7ddb1ef146ecb31301b0261035493781a90963c511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a9e7be4e84c14dab03bdf09b262d89b4a0ddcd0c58a04f0392b9949c82b63f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-01-03T07:06:23Z",
    "title_canon_sha256": "e22b96c0e32bf187aaa93ee60dc396bf5c90e1e83cf6e51d0403071c8b328691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00252",
    "kind": "arxiv",
    "version": 1
  }
}