Pith Number

pith:L4XUTRAH

pith:2018:L4XUTRAH3YFSU3CBNKLP6PRYK2

not attested not anchored not stored refs pending

Comparison of coherence area measurement techniques for bright entangled twin beams

Alberto M. Marino, Ashok Kumar, Hayden Nunley

arxiv:1801.10535 v3 · 2018-01-31 · physics.optics · 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{L4XUTRAH3YFSU3CBNKLP6PRYK2}

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	2026-05-18T00:01:19.665451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f2f49c407de0b2a6c416a96ff3e3856b452b551d8cfb2cf56a69807d4c96213

Aliases

arxiv: 1801.10535 · arxiv_version: 1801.10535v3 · doi: 10.48550/arxiv.1801.10535 · pith_short_12: L4XUTRAH3YFS · pith_short_16: L4XUTRAH3YFSU3CB · pith_short_8: L4XUTRAH

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/L4XUTRAH3YFSU3CBNKLP6PRYK2 \
  | 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: 5f2f49c407de0b2a6c416a96ff3e3856b452b551d8cfb2cf56a69807d4c96213

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e379582913ef859da540a0631583eba927ed0ef5c0dcce326928a500101aed7c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-01-31T16:40:22Z",
    "title_canon_sha256": "e4a2a5db947e4307179a46c07aca976d1b6f6bf7a037b22ffaa8ce66850aa375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10535",
    "kind": "arxiv",
    "version": 3
  }
}