Pith Number

pith:25PPOOCE

pith:2010:25PPOOCEDTZFC2YBZDEUXYCC5X

not attested not anchored not stored refs pending

Interferometry with Two Pairs of Spin Correlated Photons

Johann Summhammer, Mladen Pavicic

arxiv:1008.0078 v2 · 2010-07-31 · 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{25PPOOCEDTZFC2YBZDEUXYCC5X}

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	2026-05-18T04:42:36.015986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d75ef738441cf2516b01c8c94be042ede4f9e4301e6a57b49d8c98099b7c9ba4

Aliases

arxiv: 1008.0078 · arxiv_version: 1008.0078v2 · doi: 10.48550/arxiv.1008.0078 · pith_short_12: 25PPOOCEDTZF · pith_short_16: 25PPOOCEDTZFC2YB · pith_short_8: 25PPOOCE

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/25PPOOCEDTZFC2YBZDEUXYCC5X \
  | 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: d75ef738441cf2516b01c8c94be042ede4f9e4301e6a57b49d8c98099b7c9ba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c16c05f9abf89b43b01bf668ac9fa4ee2bb70425c1bda4fa73872525bf14c4fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-07-31T10:40:57Z",
    "title_canon_sha256": "2a595312971db7373367938929e3b242e31acaadb35afa87f25025c23da3d433"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0078",
    "kind": "arxiv",
    "version": 2
  }
}