Pith Number

pith:7NTBK7HC

pith:2014:7NTBK7HCF7HZACGFURMCRQRWUH

not attested not anchored not stored refs pending

Better Randomness with Single Photons

Ilja Gerhardt, Lukas Oberreiter

arxiv:1411.3499 v1 · 2014-11-13 · quant-ph · 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{7NTBK7HCF7HZACGFURMCRQRWUH}

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	2026-05-18T01:24:04.141790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb66157ce22fcf9008c5a45828c236a1f282ef2101bd433e7eee7139ae4a93c8

Aliases

arxiv: 1411.3499 · arxiv_version: 1411.3499v1 · doi: 10.48550/arxiv.1411.3499 · pith_short_12: 7NTBK7HCF7HZ · pith_short_16: 7NTBK7HCF7HZACGF · pith_short_8: 7NTBK7HC

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/7NTBK7HCF7HZACGFURMCRQRWUH \
  | 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: fb66157ce22fcf9008c5a45828c236a1f282ef2101bd433e7eee7139ae4a93c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "979578a87b52cbe5ae08ec1e6480c3246c285e01f406613ad8fd971a78ba6330",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-11-13T11:03:24Z",
    "title_canon_sha256": "b9b7e05d7c137176a4f376616d849b84147e28f43d8b3d7cdce72df3e547b43d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3499",
    "kind": "arxiv",
    "version": 1
  }
}