Pith Number

pith:2ZF2Y2XI

pith:2012:2ZF2Y2XIWO6IOAIJ6ODWP3CQ5G

not attested not anchored not stored refs pending

Efficient scheme for three-photon Greenberger-Horne-Zeilinger state generation

Dong Ding, Fengli Yan

arxiv:1204.0438 v1 · 2012-04-02 · 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{2ZF2Y2XIWO6IOAIJ6ODWP3CQ5G}

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	2026-05-18T01:57:58.093640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d64bac6ae8b3bc870109f38767ec50e995882e43113e60f1a8f4440afaeff35b

Aliases

arxiv: 1204.0438 · arxiv_version: 1204.0438v1 · doi: 10.48550/arxiv.1204.0438 · pith_short_12: 2ZF2Y2XIWO6I · pith_short_16: 2ZF2Y2XIWO6IOAIJ · pith_short_8: 2ZF2Y2XI

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/2ZF2Y2XIWO6IOAIJ6ODWP3CQ5G \
  | 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: d64bac6ae8b3bc870109f38767ec50e995882e43113e60f1a8f4440afaeff35b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58a4290a4eb4afb6cf36e2e45bc5eba1103829d2056b5bee76405b048fe9d05a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-02T15:35:02Z",
    "title_canon_sha256": "3e2b4e231e386bb78441f1419ab92c3acca8b8ffe8cfe063e23d570bd93f17a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0438",
    "kind": "arxiv",
    "version": 1
  }
}