Pith Number

pith:L7LZZW66

pith:2011:L7LZZW66KNKOI5U63PC6D45QHB

not attested not anchored not stored refs pending

Interval edge-colorings of cubic graphs

Petros A. Petrosyan

arxiv:1110.1161 v1 · 2011-10-06 · cs.DM · 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{L7LZZW66KNKOI5U63PC6D45QHB}

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	2026-05-18T04:11:39.130487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fd79cdbde5354e4769edbc5e1f3b0386940ee3029fe3cc31b559c248e27282b

Aliases

arxiv: 1110.1161 · arxiv_version: 1110.1161v1 · doi: 10.48550/arxiv.1110.1161 · pith_short_12: L7LZZW66KNKO · pith_short_16: L7LZZW66KNKOI5U6 · pith_short_8: L7LZZW66

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/L7LZZW66KNKOI5U63PC6D45QHB \
  | 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: 5fd79cdbde5354e4769edbc5e1f3b0386940ee3029fe3cc31b559c248e27282b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22a2c98ae3386c18019e428c10d4d6d54f4d077dfb15acd9af1d7103bf810ef0",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-10-06T07:08:00Z",
    "title_canon_sha256": "d64cdbe705d4c0bed4173e556da814fbedc578863726adda7daeb16cc1ddc340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1161",
    "kind": "arxiv",
    "version": 1
  }
}