Pith Number

pith:THIC25UI

pith:2021:THIC25UIZY6I2FTLBTTUFQY6SX

not attested not anchored not stored refs pending

Reducing $g^{(2)}(0)$ of a parametric down-conversion source via photon-number resolution with superconducting nanowire detectors

G. S. Thekkadath, I. A. Walmsley, R. B. Patel, S. Sempere-Llagostera, W. S. Kolthammer

arxiv:2111.15308 v1 · 2021-11-30 · quant-ph · physics.ins-det · 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{THIC25UIZY6I2FTLBTTUFQY6SX}

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	2026-07-05T03:51:37.057296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99d02d7688ce3c8d166b0ce742c31e95d6c7cacf891ba95ca5917f1c9d86496f

Aliases

arxiv: 2111.15308 · arxiv_version: 2111.15308v1 · doi: 10.48550/arxiv.2111.15308 · pith_short_12: THIC25UIZY6I · pith_short_16: THIC25UIZY6I2FTL · pith_short_8: THIC25UI

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/THIC25UIZY6I2FTLBTTUFQY6SX \
  | 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: 99d02d7688ce3c8d166b0ce742c31e95d6c7cacf891ba95ca5917f1c9d86496f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d28e9eb414d170cab8b65fd4b499d44f5645f26dc3ca1b4e2e696747438cc769",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-30T11:43:03Z",
    "title_canon_sha256": "be918dba3f5dedb586315e417641927ad05947093853110945d580fd30e96418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.15308",
    "kind": "arxiv",
    "version": 1
  }
}