Pith Number

pith:JXPR6GJW

pith:2009:JXPR6GJWSJBR4NIFX63WJNK3P4

not attested not anchored not stored refs pending

Effects of multiple pairs on visibility measurements of entangled photons generated by spontaneous parametric processes

Hiroki Takesue, Kaoru Shimizu

arxiv:0907.4535 v1 · 2009-07-27 · 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{JXPR6GJWSJBR4NIFX63WJNK3P4}

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	2026-05-18T02:12:53.480510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ddf1f193692431e3505bfb764b55b7f05869b2933cfa57b547b308939b2762b

Aliases

arxiv: 0907.4535 · arxiv_version: 0907.4535v1 · doi: 10.48550/arxiv.0907.4535 · pith_short_12: JXPR6GJWSJBR · pith_short_16: JXPR6GJWSJBR4NIF · pith_short_8: JXPR6GJW

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/JXPR6GJWSJBR4NIFX63WJNK3P4 \
  | 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: 4ddf1f193692431e3505bfb764b55b7f05869b2933cfa57b547b308939b2762b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08117502c00efdf26603cb3bd9cc420e5b849b9334ba9e19b8ebc93d3bbcfa58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-27T01:31:19Z",
    "title_canon_sha256": "8befef6ab8ca2d1782f0e704a18d55d1edb10bfff6e0fad21fd83e02d8436727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4535",
    "kind": "arxiv",
    "version": 1
  }
}