Pith Number

pith:N4CE2R2B

pith:2012:N4CE2R2BQZA7U7AH4Y4CKEHBTO

not attested not anchored not stored refs pending

Dimensionality of the spatio-temporal entanglement of PDC photon pairs

A. Gatti, D. B. Horoshko, E. Brambilla, T. Corti

arxiv:1207.6932 v1 · 2012-07-30 · 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{N4CE2R2BQZA7U7AH4Y4CKEHBTO}

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	2026-05-18T03:00:49.863175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f044d47418641fa7c07e6382510e19b85abf9c9a83a53a9a34a58823d24cf8d

Aliases

arxiv: 1207.6932 · arxiv_version: 1207.6932v1 · doi: 10.48550/arxiv.1207.6932 · pith_short_12: N4CE2R2BQZA7 · pith_short_16: N4CE2R2BQZA7U7AH · pith_short_8: N4CE2R2B

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/N4CE2R2BQZA7U7AH4Y4CKEHBTO \
  | 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: 6f044d47418641fa7c07e6382510e19b85abf9c9a83a53a9a34a58823d24cf8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d15baab4f072389618e4ce32c7d83991059e2d551006139b3d3a46b21e79b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-30T13:09:23Z",
    "title_canon_sha256": "efebc00c4101975763e1ba3bc7ddaad44ba708a69ea80c7e569b19fa50bbacdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6932",
    "kind": "arxiv",
    "version": 1
  }
}