Pith Number

pith:FR6LDAWX

pith:2017:FR6LDAWXZLMLTAV4S5AWFKKB2O

not attested not anchored not stored refs pending

Independent high-purity photons created in domain-engineered crystals

Alessandro Fedrizzi, Dmytro Kundys, Francesco Graffitti, Massimiliano Proietti, Peter Barrow

arxiv:1712.07140 v2 · 2017-12-19 · 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{FR6LDAWXZLMLTAV4S5AWFKKB2O}

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.

Cited by

1 paper in Pith

Entanglement Certification $-$ From Theory to Experiment

Receipt and verification

First computed	2026-05-18T00:15:46.803822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c7cb182d7cad8b982bc974162a941d3bd752a69572fab45b0c5111602f4db97

Aliases

arxiv: 1712.07140 · arxiv_version: 1712.07140v2 · doi: 10.48550/arxiv.1712.07140 · pith_short_12: FR6LDAWXZLML · pith_short_16: FR6LDAWXZLMLTAV4 · pith_short_8: FR6LDAWX

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/FR6LDAWXZLMLTAV4S5AWFKKB2O \
  | 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: 2c7cb182d7cad8b982bc974162a941d3bd752a69572fab45b0c5111602f4db97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b523136c1fdc4294a02bbbfd08f8b84b4c9ab1a1e6665ba3a30ecf96877c34c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-12-19T19:00:21Z",
    "title_canon_sha256": "ec270aff15db1e370e0dbc63e182bc2a8bd09a25d6d7a7777dc8baedadf80c16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07140",
    "kind": "arxiv",
    "version": 2
  }
}