Pith Number

pith:PQCRPBP3

pith:2000:PQCRPBP3E7D2J7UU3FDTFI5OIM

not attested not anchored not stored refs pending

On the possibility of quantum computation based on photon exchange interactions

G. Kurizki, T. Opatrny

arxiv:quant-ph/0003010 v2 · 2000-03-03 · 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{PQCRPBP3E7D2J7UU3FDTFI5OIM}

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	2026-05-18T01:38:03.405792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c051785fb27c7a4fe94d94732a3ae43141cacbea4ef68533138edb5de91d668

Aliases

arxiv: quant-ph/0003010 · arxiv_version: quant-ph/0003010v2 · doi: 10.48550/arxiv.quant-ph/0003010 · pith_short_12: PQCRPBP3E7D2 · pith_short_16: PQCRPBP3E7D2J7UU · pith_short_8: PQCRPBP3

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/PQCRPBP3E7D2J7UU3FDTFI5OIM \
  | 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: 7c051785fb27c7a4fe94d94732a3ae43141cacbea4ef68533138edb5de91d668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5d4d910b4d54d21caa30bc56a20f62247af1318d4dfeda8f242969c061403b1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-03-03T09:00:20Z",
    "title_canon_sha256": "886c26268e6f41ace405b1e5e8e15f59542a71c8eb2d491b63ab0917372d6fcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0003010",
    "kind": "arxiv",
    "version": 2
  }
}