Pith Number

pith:PSXLJHMU

pith:2017:PSXLJHMUTEUMYCI2MEAE2LEOXA

not attested not anchored not stored refs pending

On Certain Colouring Parameters of Mycielski Graphs of Some Graphs

Johan Kok, K.A. Germina, K.P. Chithra, N.K. Sudev, S. Satheesh

arxiv:1708.01700 v2 · 2017-08-05 · 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{PSXLJHMUTEUMYCI2MEAE2LEOXA}

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	2026-05-18T00:37:58.415239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7caeb49d949928cc091a61004d2c8eb8148b01754047067c10624f2ef1ca64f4

Aliases

arxiv: 1708.01700 · arxiv_version: 1708.01700v2 · doi: 10.48550/arxiv.1708.01700 · pith_short_12: PSXLJHMUTEUM · pith_short_16: PSXLJHMUTEUMYCI2 · pith_short_8: PSXLJHMU

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/PSXLJHMUTEUMYCI2MEAE2LEOXA \
  | 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: 7caeb49d949928cc091a61004d2c8eb8148b01754047067c10624f2ef1ca64f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a610b837571d323a589a12f6dc347340e54503ce74d85dbce0a2d4043d88380a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2017-08-05T02:25:15Z",
    "title_canon_sha256": "36a04430082da42b549cd5e26672f0ba6ad545b2d2d96dda4c2f928a7cb292cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01700",
    "kind": "arxiv",
    "version": 2
  }
}