Pith Number

pith:63MY3Y7A

pith:2012:63MY3Y7AWAXVTMLYNU5VFUJBNN

not attested not anchored not stored refs pending

Entangling photons via the quantum Zeno effect

Andreas Osterloh, Nicolai ten Brinke, Ralf Sch\"utzhold

arxiv:1212.1309 v2 · 2012-12-06 · 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{63MY3Y7AWAXVTMLYNU5VFUJBNN}

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	2026-05-18T03:38:22.898692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6d98de3e0b02f59b1786d3b52d1216b6a23fa1ff95cd56cbcf2859cbe5852c3

Aliases

arxiv: 1212.1309 · arxiv_version: 1212.1309v2 · doi: 10.48550/arxiv.1212.1309 · pith_short_12: 63MY3Y7AWAXV · pith_short_16: 63MY3Y7AWAXVTMLY · pith_short_8: 63MY3Y7A

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/63MY3Y7AWAXVTMLYNU5VFUJBNN \
  | 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: f6d98de3e0b02f59b1786d3b52d1216b6a23fa1ff95cd56cbcf2859cbe5852c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89cde05e61fc40bdf524db11badacde93a9bf2a91f6ca312c677f8d334caa99e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-06T12:35:44Z",
    "title_canon_sha256": "72b4597387788cea4015898a9dda62ca079cad9b8b496afe5a29a90d8855dab3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1309",
    "kind": "arxiv",
    "version": 2
  }
}