Pith Number

pith:D3AOZJJO

pith:2017:D3AOZJJOPGUYPLJKN575NSGUHN

not attested not anchored not stored refs pending

Tight Bounds for Online Coloring of Basic Graph Classes

Sebastian Schraink, Susanne Albers

arxiv:1702.07172 v2 · 2017-02-23 · cs.DS · 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{D3AOZJJOPGUYPLJKN575NSGUHN}

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	2026-05-18T00:41:07.337360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ec0eca52e79a987ad2a6f7fd6c8d43b76ebfd5e6f44c8a41e810581ef9d9120

Aliases

arxiv: 1702.07172 · arxiv_version: 1702.07172v2 · doi: 10.48550/arxiv.1702.07172 · pith_short_12: D3AOZJJOPGUY · pith_short_16: D3AOZJJOPGUYPLJK · pith_short_8: D3AOZJJO

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/D3AOZJJOPGUYPLJKN575NSGUHN \
  | 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: 1ec0eca52e79a987ad2a6f7fd6c8d43b76ebfd5e6f44c8a41e810581ef9d9120

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8c3077d3b2cb77fa9ae2133dd6246f3585d8bac5a95a9b8d21a47b05b37a87e",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-02-23T10:57:56Z",
    "title_canon_sha256": "03d0b0ca47afce85f4afbe40fbc2cadc1c150a194c8a5234d2361428029dc18b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07172",
    "kind": "arxiv",
    "version": 2
  }
}