Pith Number

pith:5AV5WFZI

pith:2009:5AV5WFZIC7CJ22USKVM652Y7BL

not attested not anchored not stored refs pending

Comment on "Coherence measures for heralded single-photon sources"

Stefano Bettelli

arxiv:0911.1478 v1 · 2009-11-09 · 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{5AV5WFZIC7CJ22USKVM652Y7BL}

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	2026-05-18T04:24:27.768080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e82bdb172817c49d6a925559eeeb1f0ae661b1ec8b0f73a9ef927befc41e59bb

Aliases

arxiv: 0911.1478 · arxiv_version: 0911.1478v1 · doi: 10.48550/arxiv.0911.1478 · pith_short_12: 5AV5WFZIC7CJ · pith_short_16: 5AV5WFZIC7CJ22US · pith_short_8: 5AV5WFZI

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/5AV5WFZIC7CJ22USKVM652Y7BL \
  | 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: e82bdb172817c49d6a925559eeeb1f0ae661b1ec8b0f73a9ef927befc41e59bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2e89df118990729e5ce8f4d27558ece6371317c7db55b4d5f5a70a71f97f165",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-11-09T09:08:32Z",
    "title_canon_sha256": "0033f876ff687bc9541b77676fee54c07ce8aa05d17664768abf4976bcbadd43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1478",
    "kind": "arxiv",
    "version": 1
  }
}