Pith Number

pith:NMH2KNI5

pith:2018:NMH2KNI5HZN4HV6HZCJTDI4J2R

not attested not anchored not stored refs pending

Extension Complexity of the Correlation Polytope

Johanna Seif, Marco Macchia, Pierre Aboulker, Samuel Fiorini, Tony Huynh

arxiv:1806.00541 v2 · 2018-06-01 · cs.DM · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMH2KNI5HZN4HV6HZCJTDI4J2R}

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	2026-05-18T00:02:53.203096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b0fa5351d3e5bc3d7c7c89331a389d468d9d20dd4411d1d73aed3cfc2ecd9bd

Aliases

arxiv: 1806.00541 · arxiv_version: 1806.00541v2 · doi: 10.48550/arxiv.1806.00541 · pith_short_12: NMH2KNI5HZN4 · pith_short_16: NMH2KNI5HZN4HV6H · pith_short_8: NMH2KNI5

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/NMH2KNI5HZN4HV6HZCJTDI4J2R \
  | 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: 6b0fa5351d3e5bc3d7c7c89331a389d468d9d20dd4411d1d73aed3cfc2ecd9bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed3892595ffab82b28d78fd25e292e291b8da28661677d2fd622030ad2ccabcc",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-06-01T20:59:09Z",
    "title_canon_sha256": "aa00ceba7b66f94d8915cf57b58eee5fa10f973ae73a0b3bb73bacd24ec5885b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00541",
    "kind": "arxiv",
    "version": 2
  }
}