Pith Number

pith:4JOPJKCI

pith:2012:4JOPJKCILATXOZGYYGCZGQMELC

not attested not anchored not stored refs pending

Bragg reflection waveguide as a source of wavelength-multiplexed polarization-entangled photon pairs

Ji\v{r}\'i Svozil\'ik, Juan P. Torres, Martin Hendrych

arxiv:1207.4218 v1 · 2012-07-17 · 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{4JOPJKCILATXOZGYYGCZGQMELC}

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	2026-05-18T01:56:17.098788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25cf4a84858277764d8c18593418458ae2cb5a2df3d40e464408128de3a24f9

Aliases

arxiv: 1207.4218 · arxiv_version: 1207.4218v1 · doi: 10.48550/arxiv.1207.4218 · pith_short_12: 4JOPJKCILATX · pith_short_16: 4JOPJKCILATXOZGY · pith_short_8: 4JOPJKCI

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/4JOPJKCILATXOZGYYGCZGQMELC \
  | 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: e25cf4a84858277764d8c18593418458ae2cb5a2df3d40e464408128de3a24f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbcac2de4fc9600cc00726f8df0bf61034f6878b2b9996039ffa9941fc240b83",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-17T21:14:24Z",
    "title_canon_sha256": "f9244e217bcb6030cc29b9376ec85590a7a310f470c5aa28aa059d97d7149439"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4218",
    "kind": "arxiv",
    "version": 1
  }
}