Pith Number

pith:5R5FX7J3

pith:2015:5R5FX7J37C2XJN6C4VIZIR4TNV

not attested not anchored not stored refs pending

On the Packing Chromatic Number on Hamming Graphs and General Graphs

Daniel Severin, Graciela Nasini, Pablo Torres

arxiv:1510.05524 v1 · 2015-10-19 · 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{5R5FX7J37C2XJN6C4VIZIR4TNV}

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	2026-05-18T01:29:52.118049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec7a5bfd3bf8b574b7c2e5519447936d5d28c02be85e01533434f5da54d6aaf0

Aliases

arxiv: 1510.05524 · arxiv_version: 1510.05524v1 · doi: 10.48550/arxiv.1510.05524 · pith_short_12: 5R5FX7J37C2X · pith_short_16: 5R5FX7J37C2XJN6C · pith_short_8: 5R5FX7J3

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/5R5FX7J37C2XJN6C4VIZIR4TNV \
  | 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: ec7a5bfd3bf8b574b7c2e5519447936d5d28c02be85e01533434f5da54d6aaf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "957c2a81f4f2df27dba8cb0bbb2939d124ddc97971cf27eaa9474b80741163b7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-10-19T15:15:18Z",
    "title_canon_sha256": "58b509c0d4f50bca52d7e9fd248e37ce4f072b501a9b6207f034179fbecabf09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05524",
    "kind": "arxiv",
    "version": 1
  }
}