Pith Number

pith:VY75GUOS

pith:2018:VY75GUOS4FW66WSA5OLHWY5KKN

not attested not anchored not stored refs pending

On Chromatic Core Subgraph of Simple Graphs

Johan Kok, M. Jerlin Seles, Sudev Naduvath, U. Mary

arxiv:1803.01505 v1 · 2018-03-05 · math.GM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VY75GUOS4FW66WSA5OLHWY5KKN}

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	2026-05-18T00:22:00.452221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae3fd351d2e16def5a40eb967b63aa53733af250b24b5a96e455663dbfda7453

Aliases

arxiv: 1803.01505 · arxiv_version: 1803.01505v1 · doi: 10.48550/arxiv.1803.01505 · pith_short_12: VY75GUOS4FW6 · pith_short_16: VY75GUOS4FW66WSA · pith_short_8: VY75GUOS

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/VY75GUOS4FW66WSA5OLHWY5KKN \
  | 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: ae3fd351d2e16def5a40eb967b63aa53733af250b24b5a96e455663dbfda7453

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fe9c4a96a008dd1f23c417ed5219736d26f6489779111b7fd9d65b45b4cec98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2018-03-05T05:48:00Z",
    "title_canon_sha256": "b233e76d8025091baf50292160b0f2688c6eb27332ccaa3fba98337defd71280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01505",
    "kind": "arxiv",
    "version": 1
  }
}