Pith Number

pith:QMGFUW4Z

pith:2012:QMGFUW4Z6GEIB4R4RWQZPFEBDM

not attested not anchored not stored refs pending

On the Purity and Indistinguishability of Down-Converted Photons

C. I. Osorio, N. Sangouard, R. T. Thew

arxiv:1211.0120 v1 · 2012-11-01 · 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{QMGFUW4Z6GEIB4R4RWQZPFEBDM}

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	2026-05-18T03:32:19.789215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

830c5a5b99f18880f23c8da19794811b34d13926afd5018778a541c399320e33

Aliases

arxiv: 1211.0120 · arxiv_version: 1211.0120v1 · doi: 10.48550/arxiv.1211.0120 · pith_short_12: QMGFUW4Z6GEI · pith_short_16: QMGFUW4Z6GEIB4R4 · pith_short_8: QMGFUW4Z

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/QMGFUW4Z6GEIB4R4RWQZPFEBDM \
  | 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: 830c5a5b99f18880f23c8da19794811b34d13926afd5018778a541c399320e33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3279af5ea0d0e557b9c3a9d1c030fa1dcbf3d5135aa22ee201db3a229bcd4e15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-01T08:40:09Z",
    "title_canon_sha256": "6e431740c41b1f01ab8cb414abd2d832a878bcca601e1ba5b534acd29a5248b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0120",
    "kind": "arxiv",
    "version": 1
  }
}