Pith Number

pith:F7U6CHAB

pith:2012:F7U6CHABTKOXE6XB6YJCGNYZJ3

not attested not anchored not stored refs pending

An all-fiber source of pulsed twin beams at telecom band for quantum communication

Lei Yang, Nannan Liu, Xiaoying Li, Xueshi Guo, Z. Y. Ou

arxiv:1208.4971 v3 · 2012-08-24 · 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{F7U6CHABTKOXE6XB6YJCGNYZJ3}

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	2026-05-18T03:37:40.953515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe9e11c019a9d727ae1f6122337194ef702f559b81283ebb195bcae1a2623b3

Aliases

arxiv: 1208.4971 · arxiv_version: 1208.4971v3 · doi: 10.48550/arxiv.1208.4971 · pith_short_12: F7U6CHABTKOX · pith_short_16: F7U6CHABTKOXE6XB · pith_short_8: F7U6CHAB

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/F7U6CHABTKOXE6XB6YJCGNYZJ3 \
  | 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: 2fe9e11c019a9d727ae1f6122337194ef702f559b81283ebb195bcae1a2623b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76475956bbb344c80fdf349e366e049d04c72401e6d8fb998fb9a6ca7f5be79d",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-08-24T13:26:07Z",
    "title_canon_sha256": "82efe056bd302a91b7707d2944ba04687a181cd4e9c17eefc6425f1beb376ec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4971",
    "kind": "arxiv",
    "version": 3
  }
}