Pith Number

pith:N2PPRFSU

pith:2016:N2PPRFSUBBT7GC2XLNGYRX3633

not attested not anchored not stored refs pending

Quantum and non-signalling graph isomorphisms

Albert Atserias, Antonios Varvitsiotis, David E. Roberson, Laura Man\v{c}inska, Robert \v{S}\'amal, Simone Severini

arxiv:1611.09837 v3 · 2016-11-29 · quant-ph · 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{N2PPRFSUBBT7GC2XLNGYRX3633}

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	2026-05-18T00:43:18.178823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e9ef896540867f30b575b4d88df7edef70577f209162d7e6b396f344f20c1be

Aliases

arxiv: 1611.09837 · arxiv_version: 1611.09837v3 · doi: 10.48550/arxiv.1611.09837 · pith_short_12: N2PPRFSUBBT7 · pith_short_16: N2PPRFSUBBT7GC2X · pith_short_8: N2PPRFSU

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/N2PPRFSUBBT7GC2XLNGYRX3633 \
  | 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: 6e9ef896540867f30b575b4d88df7edef70577f209162d7e6b396f344f20c1be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7e72e8f5c0b24e90a8c10017217dcd9c758a605aae5a22e991dbc80d275c032",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-11-29T20:49:32Z",
    "title_canon_sha256": "f18f775d448106baacb7a6652edf8cd797ac607aaa519050e038d9e8c6fbf690"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.09837",
    "kind": "arxiv",
    "version": 3
  }
}