Pith Number

pith:GEOWAHIY

pith:2017:GEOWAHIYCECIQGRJP6MSNWETZK

not attested not anchored not stored refs pending

A note on asymptotically optimal neighbour sum distinguishing colourings

Jakub Przyby{\l}o

arxiv:1703.00406 v1 · 2017-03-01 · 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{GEOWAHIYCECIQGRJP6MSNWETZK}

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	2026-05-17T23:56:56.035978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

311d601d181104881a297f9926d893cab839b5dc36609968257bc2d4e03b6925

Aliases

arxiv: 1703.00406 · arxiv_version: 1703.00406v1 · doi: 10.48550/arxiv.1703.00406 · pith_short_12: GEOWAHIYCECI · pith_short_16: GEOWAHIYCECIQGRJ · pith_short_8: GEOWAHIY

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/GEOWAHIYCECIQGRJP6MSNWETZK \
  | 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: 311d601d181104881a297f9926d893cab839b5dc36609968257bc2d4e03b6925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ae92b4a7639f39c0244dad7e1558662de080339c9e13022a1d99b6022352285",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-01T17:37:23Z",
    "title_canon_sha256": "3c0121faf10ea63881607d8abab1bfb1b0dc3c901105a2b2009b6b807aa9136b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00406",
    "kind": "arxiv",
    "version": 1
  }
}