Pith Number

pith:PMQV2QCN

pith:2021:PMQV2QCNP4LQII6RLMEOADMSAV

not attested not anchored not stored refs pending

The Complexity of Transitively Orienting Temporal Graphs

George B. Mertzios, Hendrik Molter, Malte Renken, Paul G. Spirakis, Philipp Zschoche

arxiv:2102.06783 v3 · 2021-02-12 · cs.DS · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMQV2QCNP4LQII6RLMEOADMSAV}

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	2026-07-05T10:05:59.137305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b215d404d7f170423d15b08e00d92055cd6776a2185437f066598b2d701c289

Aliases

arxiv: 2102.06783 · arxiv_version: 2102.06783v3 · doi: 10.48550/arxiv.2102.06783 · pith_short_12: PMQV2QCNP4LQ · pith_short_16: PMQV2QCNP4LQII6R · pith_short_8: PMQV2QCN

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/PMQV2QCNP4LQII6RLMEOADMSAV \
  | 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: 7b215d404d7f170423d15b08e00d92055cd6776a2185437f066598b2d701c289

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1773e198021c396bfd09f108cde3f1a95a2f0647cc6c55a40098d9643147e3a4",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-02-12T21:39:26Z",
    "title_canon_sha256": "59ffc4b4ab5cb1f35d2c369235fc4a00e42ed92c66bb245c7b78fc2a0026c885"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06783",
    "kind": "arxiv",
    "version": 3
  }
}