Pith Number

pith:VHEBCQ6A

pith:2012:VHEBCQ6ANPSGPNVY3F72FUOG54

not attested not anchored not stored refs pending

Generating polarization-entangled photon pairs using cross-spliced birefringent fibers

Brendon L. Higgins, Evan Meyer-Scott, Jean-Philippe Bourgoin, Lynden K. Shalm, Thomas Jennewein, Vincent Roy

arxiv:1212.4780 v2 · 2012-12-19 · 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{VHEBCQ6ANPSGPNVY3F72FUOG54}

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	2026-05-18T03:31:44.560976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9c81143c06be467b6b8d97fa2d1c6ef37b6eb05a54814c0da9625d54f072be5

Aliases

arxiv: 1212.4780 · arxiv_version: 1212.4780v2 · doi: 10.48550/arxiv.1212.4780 · pith_short_12: VHEBCQ6ANPSG · pith_short_16: VHEBCQ6ANPSGPNVY · pith_short_8: VHEBCQ6A

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/VHEBCQ6ANPSGPNVY3F72FUOG54 \
  | 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: a9c81143c06be467b6b8d97fa2d1c6ef37b6eb05a54814c0da9625d54f072be5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a7c4064e0869bb9f977ef30fec59eb83d30327d08960c57e532027c99189ffb",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-19T18:23:34Z",
    "title_canon_sha256": "b18133e640f7f20edf68ad086eda282c4029eda60a619593b8fa33b8f55b1c74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4780",
    "kind": "arxiv",
    "version": 2
  }
}