Pith Number

pith:LE4Y4YER

pith:2010:LE4Y4YERMGVJLC4QQMXTA4S2BE

not attested not anchored not stored refs pending

Self-testing graph states

Matthew McKague

arxiv:1010.1989 v1 · 2010-10-11 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LE4Y4YERMGVJLC4QQMXTA4S2BE}

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	2026-05-18T04:39:29.930045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59398e609161aa958b90832f30725a0908847aab373460a65452f829abc43505

Aliases

arxiv: 1010.1989 · arxiv_version: 1010.1989v1 · doi: 10.48550/arxiv.1010.1989 · pith_short_12: LE4Y4YERMGVJ · pith_short_16: LE4Y4YERMGVJLC4Q · pith_short_8: LE4Y4YER

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/LE4Y4YERMGVJLC4QQMXTA4S2BE \
  | 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: 59398e609161aa958b90832f30725a0908847aab373460a65452f829abc43505

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8f9cc37693c65fcb70057a4d366cfbd5cb41b307f7ea51588861f11fbc4639d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-10-11T03:15:21Z",
    "title_canon_sha256": "ef70ba61dabcc20ae659e1c51b5de26f0857f1d23a389762095b048f8f56e40e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1989",
    "kind": "arxiv",
    "version": 1
  }
}