Pith Number

pith:S7R4STCB

pith:2012:S7R4STCBJ6BXOEQSUODN4F36IV

not attested not anchored not stored refs pending

Realization of the purely spatial Einstein-Podolsky-Rosen paradox in full-field images of spontaneous parametric down conversion

Eric Lantz, Fabrice Devaux, Jo\'e Mougin-Sisini, Paul-Antoine Moreau

arxiv:1204.0990 v2 · 2012-04-04 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7R4STCBJ6BXOEQSUODN4F36IV}

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	2026-05-18T03:50:37.217732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97e3c94c414f83771212a386de177e4545a4c98486a89a42a520ff2dc94671c8

Aliases

arxiv: 1204.0990 · arxiv_version: 1204.0990v2 · doi: 10.48550/arxiv.1204.0990 · pith_short_12: S7R4STCBJ6BX · pith_short_16: S7R4STCBJ6BXOEQS · pith_short_8: S7R4STCB

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/S7R4STCBJ6BXOEQSUODN4F36IV \
  | 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: 97e3c94c414f83771212a386de177e4545a4c98486a89a42a520ff2dc94671c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d667f23c8eb0db1b68e0e108eb0177939aeec3aa5883141853b23801e206b63f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-04T16:28:17Z",
    "title_canon_sha256": "2ba25abde8e1e758a7d7a76784b247410bfff335bfb55f232a71bd893170df82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0990",
    "kind": "arxiv",
    "version": 2
  }
}