Pith Number

pith:WTEYUD2J

pith:2011:WTEYUD2J2AM4ANKESBHEMBDWKD

not attested not anchored not stored refs pending

Characterizing heralded single photons with an all-fiber source of photon pairs

Lei Yang, Liang Cui, Xiaoxin Ma, Xiaoying Li, Xueshi Guo

arxiv:1102.4449 v1 · 2011-02-22 · 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{WTEYUD2J2AM4ANKESBHEMBDWKD}

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	2026-05-18T04:28:08.919972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c98a0f49d019c03544904e46047650e114bf78129bb4c92893f821e0083c37

Aliases

arxiv: 1102.4449 · arxiv_version: 1102.4449v1 · doi: 10.48550/arxiv.1102.4449 · pith_short_12: WTEYUD2J2AM4 · pith_short_16: WTEYUD2J2AM4ANKE · pith_short_8: WTEYUD2J

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/WTEYUD2J2AM4ANKESBHEMBDWKD \
  | 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: b4c98a0f49d019c03544904e46047650e114bf78129bb4c92893f821e0083c37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c285146d8f706e2601fb59372bf1283434505c6da326f9fb81dfbb3fc641790a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-02-22T10:27:20Z",
    "title_canon_sha256": "109c0b4dcf136cea0aabe7d3d747b4d35a3311235088bb52b0eefc991293a375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4449",
    "kind": "arxiv",
    "version": 1
  }
}