Pith Number

pith:QOZ4QJC4

pith:2014:QOZ4QJC4CNVSSX4GQD67YLCGNS

not attested not anchored not stored refs pending

A Robust and Efficient Detection Algorithm for The Photon-Counting Free-Space Optical System

Pooi-Yuen Kam, Tianyu Song

arxiv:1412.6131 v1 · 2014-11-13 · cs.IT · math.IT · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOZ4QJC4CNVSSX4GQD67YLCGNS}

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	2026-05-18T02:30:54.345966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83b3c8245c136b295f8680fdfc2c466ca1b5a40c8d5d39d4efbe7f7ae653ec5d

Aliases

arxiv: 1412.6131 · arxiv_version: 1412.6131v1 · doi: 10.48550/arxiv.1412.6131 · pith_short_12: QOZ4QJC4CNVS · pith_short_16: QOZ4QJC4CNVSSX4G · pith_short_8: QOZ4QJC4

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/QOZ4QJC4CNVSSX4GQD67YLCGNS \
  | 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: 83b3c8245c136b295f8680fdfc2c466ca1b5a40c8d5d39d4efbe7f7ae653ec5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e70008c90678e1b9438a6f6f0fb7760040549f4534101c11cd5d6e0c5da42fe",
    "cross_cats_sorted": [
      "math.IT",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-11-13T04:05:30Z",
    "title_canon_sha256": "94e454674af3db66c07977f1f3db774fc04b6acf4112eb0712f6b27f8befba0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6131",
    "kind": "arxiv",
    "version": 1
  }
}