Pith Number

pith:SFXFJSMX

pith:2015:SFXFJSMXGM4PR4F7A7GEM5RL26

not attested not anchored not stored refs pending

Randomness generation based on spontaneous emissions of lasers

Hongyi Zhou, Xiao Yuan, Xiongfeng Ma

arxiv:1505.03740 v1 · 2015-05-14 · 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{SFXFJSMXGM4PR4F7A7GEM5RL26}

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	2026-05-18T01:53:08.622556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916e54c9973338f8f0bf07cc46762bd7a36dadd5074a8544c323f45c77834f02

Aliases

arxiv: 1505.03740 · arxiv_version: 1505.03740v1 · doi: 10.48550/arxiv.1505.03740 · pith_short_12: SFXFJSMXGM4P · pith_short_16: SFXFJSMXGM4PR4F7 · pith_short_8: SFXFJSMX

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/SFXFJSMXGM4PR4F7A7GEM5RL26 \
  | 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: 916e54c9973338f8f0bf07cc46762bd7a36dadd5074a8544c323f45c77834f02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d61a8e659b22a58983353c08a5d1744da8056cbcf11be7b152dbe3458a62151",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-14T14:50:10Z",
    "title_canon_sha256": "cf102cd0b15c6674beadb0dda37357e617fa993f4f281fa562bb2731bc980030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03740",
    "kind": "arxiv",
    "version": 1
  }
}