Pith Number

pith:HE5S4VMX

pith:2009:HE5S4VMXTOV2VRNOXYU7FPK5H7

not attested not anchored not stored refs pending

Truly Random Number Generation Based on Measurement of Phase Noise of Laser

Hong Guo, Wei Wei, Wenzhuo Tang, Yu Liu

arxiv:0908.2893 v3 · 2009-08-20 · 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{HE5S4VMXTOV2VRNOXYU7FPK5H7}

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	2026-05-18T03:23:58.091535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

393b2e55979babaac5aebe29f2bd5d3ffd3e4053d478b6659bd1073db881a245

Aliases

arxiv: 0908.2893 · arxiv_version: 0908.2893v3 · doi: 10.48550/arxiv.0908.2893 · pith_short_12: HE5S4VMXTOV2 · pith_short_16: HE5S4VMXTOV2VRNO · pith_short_8: HE5S4VMX

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/HE5S4VMXTOV2VRNOXYU7FPK5H7 \
  | 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: 393b2e55979babaac5aebe29f2bd5d3ffd3e4053d478b6659bd1073db881a245

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efc7b2aa611649b186eaa005bb88878213ac521a8584eac7789a2e04313252ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-20T14:57:16Z",
    "title_canon_sha256": "c805554e2d7d88c494fec254bc91df588b79e896b9d3b74c99b71c8f7793951c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2893",
    "kind": "arxiv",
    "version": 3
  }
}