Pith Number

pith:GSCAXF4X

pith:2017:GSCAXF4XPH6KLS5T2XGY5JJMJT

not attested not anchored not stored refs pending

Recognizing Graphs Close to Bipartite Graphs with an Application to Colouring Reconfiguration

Carl Feghali, Daniel Paulusma, Konrad K. Dabrowski, Marthe Bonamy, Matthew Johnson

arxiv:1707.09817 v1 · 2017-07-31 · cs.DS · 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{GSCAXF4XPH6KLS5T2XGY5JJMJT}

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	2026-05-18T00:39:08.130705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34840b979779fca5cbb3d5cd8ea52c4ce7a63a5d21eb7937f609a015a0bedd88

Aliases

arxiv: 1707.09817 · arxiv_version: 1707.09817v1 · doi: 10.48550/arxiv.1707.09817 · pith_short_12: GSCAXF4XPH6K · pith_short_16: GSCAXF4XPH6KLS5T · pith_short_8: GSCAXF4X

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/GSCAXF4XPH6KLS5T2XGY5JJMJT \
  | 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: 34840b979779fca5cbb3d5cd8ea52c4ce7a63a5d21eb7937f609a015a0bedd88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ac952c24795077e4df4ad75e6bf0dd502bf365553f60fe741bcf658d1e927b0",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-07-31T12:32:54Z",
    "title_canon_sha256": "ce277bfa759389e078c791017e142d402e205604b6db3fbff27ca93156ddf3d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09817",
    "kind": "arxiv",
    "version": 1
  }
}