Pith Number

pith:CR6K6RSJ

pith:2016:CR6K6RSJKYPGJPVBQ5IHWPYNXP

not attested not anchored not stored refs pending

A tight analysis of Kierstead-Trotter algorithm for online unit interval coloring

Koji M. Kobayashi, Tetsuya Araki

arxiv:1609.09031 v1 · 2016-09-28 · 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{CR6K6RSJKYPGJPVBQ5IHWPYNXP}

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	2026-05-18T01:00:33.365347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

147caf4649561e64bea187507b3f0dbbe65ea6da1467d22d36bf6ba8e5a49484

Aliases

arxiv: 1609.09031 · arxiv_version: 1609.09031v1 · doi: 10.48550/arxiv.1609.09031 · pith_short_12: CR6K6RSJKYPG · pith_short_16: CR6K6RSJKYPGJPVB · pith_short_8: CR6K6RSJ

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/CR6K6RSJKYPGJPVBQ5IHWPYNXP \
  | 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: 147caf4649561e64bea187507b3f0dbbe65ea6da1467d22d36bf6ba8e5a49484

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4521a27b8eebc2092bc87862987d506d4e98450b13091a220b262cfdf8813ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-09-28T18:32:07Z",
    "title_canon_sha256": "26b9166242063667c6457ba3669ae9de934982fef03c980b46bba0eda185b0ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09031",
    "kind": "arxiv",
    "version": 1
  }
}