Pith Number

pith:7NPFHIRE

pith:2017:7NPFHIREWW4VRVACGT6JIK4ICV

not attested not anchored not stored refs pending

Detector-Independent Verification of Quantum Light

A. Eckstein, A. Lita, G. S. Agarwal, I. A. Walmsley, J. J. Renema, J. Sperling, M. Moore, S. W. Nam, T. Gerrits, W. R. Clements, W. S. Kolthammer, W. Vogel

arxiv:1701.07640 v2 · 2017-01-26 · 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{7NPFHIREWW4VRVACGT6JIK4ICV}

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	2026-05-18T00:45:58.297672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb5e53a224b5b958d40234fc942b8815494fec1a90a1dca32752d21834e22ca7

Aliases

arxiv: 1701.07640 · arxiv_version: 1701.07640v2 · doi: 10.48550/arxiv.1701.07640 · pith_short_12: 7NPFHIREWW4V · pith_short_16: 7NPFHIREWW4VRVAC · pith_short_8: 7NPFHIRE

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/7NPFHIREWW4VRVACGT6JIK4ICV \
  | 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: fb5e53a224b5b958d40234fc942b8815494fec1a90a1dca32752d21834e22ca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c59310aad92799d5f9769f539130588fced62bddded9c83f932c1b6298bf5b93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-26T10:32:03Z",
    "title_canon_sha256": "3ff2b4c8104cb45383fc6ae2eea3cd4765c33367b5871dd865a2632c626e36c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07640",
    "kind": "arxiv",
    "version": 2
  }
}