Pith Number

pith:M4QMXDQR

pith:2011:M4QMXDQRLBCOPD4CZQ3CCV6I5G

not attested not anchored not stored refs pending

The biaxial nonlinear crystal BiB3O6 as a polarization entangled photon source using non-collinear type-II parametric down-conversion

A. Halevy, E. Megidish, H.S. Eisenberg, L. Bohat\'y, L. Dovrat, P. Becker

arxiv:1106.5398 v3 · 2011-06-27 · 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{M4QMXDQRLBCOPD4CZQ3CCV6I5G}

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	2026-05-18T04:11:39.474565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6720cb8e115844e78f82cc362157c8e982294256b6568353ee3f50bb979f71ce

Aliases

arxiv: 1106.5398 · arxiv_version: 1106.5398v3 · doi: 10.48550/arxiv.1106.5398 · pith_short_12: M4QMXDQRLBCO · pith_short_16: M4QMXDQRLBCOPD4C · pith_short_8: M4QMXDQR

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/M4QMXDQRLBCOPD4CZQ3CCV6I5G \
  | 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: 6720cb8e115844e78f82cc362157c8e982294256b6568353ee3f50bb979f71ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b3a6c900fcaa408deac4f4bd8e239073978fb70910a4a60e8a7cac25e4a1a1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-06-27T14:08:46Z",
    "title_canon_sha256": "d2b163bc3912eaf6c6cd28e8acc26717c74f8ec01b621404c77ff1c0ef975d11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5398",
    "kind": "arxiv",
    "version": 3
  }
}