Pith Number

pith:VQMMXNHM

pith:2009:VQMMXNHM5JBBFS3V6FKLSY2NQ2

not attested not anchored not stored refs pending

Nonclassicality generated by photon annihilation-then-creation and creation-then-annihilation operations

C.H.Raymond Ooi, Hai-Woong Lee, Jiyong Park, Se-Wan Ji, Su-Yong Lee

arxiv:0906.3454 v1 · 2009-06-18 · quant-ph

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

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	2026-05-18T02:13:19.051254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac18cbb4ecea4212cb75f154b9634d86aa5760a4a3ef2fb5dc5aa780ba228e73

Aliases

arxiv: 0906.3454 · arxiv_version: 0906.3454v1 · doi: 10.48550/arxiv.0906.3454 · pith_short_12: VQMMXNHM5JBB · pith_short_16: VQMMXNHM5JBBFS3V · pith_short_8: VQMMXNHM

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/VQMMXNHM5JBBFS3V6FKLSY2NQ2 \
  | 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: ac18cbb4ecea4212cb75f154b9634d86aa5760a4a3ef2fb5dc5aa780ba228e73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f99fcc321ab6da74dd27a2e60ceee07948b2320505e22337183cb372ed64af3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-18T14:35:15Z",
    "title_canon_sha256": "4920252ae2eeab022a97d4f78f94e583bf405bf7ff320ef0b98a8523d096600f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3454",
    "kind": "arxiv",
    "version": 1
  }
}