Pith Number

pith:MLREIKHL

pith:2013:MLREIKHLGBTUQIQGQEQEUFQSAA

not attested not anchored not stored refs pending

Span-program-based quantum algorithm for tree detection

Guoming Wang

arxiv:1309.7713 v3 · 2013-09-30 · quant-ph · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MLREIKHLGBTUQIQGQEQEUFQSAA}

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	2026-05-18T02:57:06.502769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62e24428eb306748220681204a1612001cc9e620d744d92d5b49821971cdd8fa

Aliases

arxiv: 1309.7713 · arxiv_version: 1309.7713v3 · doi: 10.48550/arxiv.1309.7713 · pith_short_12: MLREIKHLGBTU · pith_short_16: MLREIKHLGBTUQIQG · pith_short_8: MLREIKHL

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/MLREIKHLGBTUQIQGQEQEUFQSAA \
  | 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: 62e24428eb306748220681204a1612001cc9e620d744d92d5b49821971cdd8fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "756706b4406cdb93ca979db40531710569e48a39982cfdf041155a53590628f4",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-30T03:26:52Z",
    "title_canon_sha256": "df0937bd6916fb6283dd665a5c65d4948ab7e9a8417c96acdd43f7e90e9e74a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7713",
    "kind": "arxiv",
    "version": 3
  }
}