Pith Number

pith:4RXST7FK

pith:2012:4RXST7FKQHZ6VYQMYNCRAA4TOQ

not attested not anchored not stored refs pending

Conflict-free graph orientations with parity constraints

Csaba T\'oth, Mashhood Ishaque, Sarah Cannon

arxiv:1203.3256 v2 · 2012-03-15 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RXST7FKQHZ6VYQMYNCRAA4TOQ}

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	2026-05-18T03:59:15.424618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e46f29fcaa81f3eae20cc3451003937425a9369078532045a2f94d342f426ba7

Aliases

arxiv: 1203.3256 · arxiv_version: 1203.3256v2 · doi: 10.48550/arxiv.1203.3256 · pith_short_12: 4RXST7FKQHZ6 · pith_short_16: 4RXST7FKQHZ6VYQM · pith_short_8: 4RXST7FK

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/4RXST7FKQHZ6VYQMYNCRAA4TOQ \
  | 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: e46f29fcaa81f3eae20cc3451003937425a9369078532045a2f94d342f426ba7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46116939643fc9bb066af22eba85343ef4ee363354a22f4bc88d5af76c5fa1e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2012-03-15T02:47:12Z",
    "title_canon_sha256": "9dc0c114006e2a1d3de2b72b3b5e54be3ba036b4517b63e84c21446c0953f840"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3256",
    "kind": "arxiv",
    "version": 2
  }
}