Pith Number

pith:LARSG4K2

pith:2014:LARSG4K2ZUHHSKODM4GOAEM246

not attested not anchored not stored refs pending

Spontaneous parametric downconversion in waveguides: What's loss got to do with it?

J. E. Sipe, L. G. Helt, M. J. Steel

arxiv:1407.4219 v2 · 2014-07-16 · 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{LARSG4K2ZUHHSKODM4GOAEM246}

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	2026-05-18T01:20:17.678435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

582323715acd0e7929c3670ce0119ae7b5c6d0fe9d95d3b9b0d9a86789433d7d

Aliases

arxiv: 1407.4219 · arxiv_version: 1407.4219v2 · doi: 10.48550/arxiv.1407.4219 · pith_short_12: LARSG4K2ZUHH · pith_short_16: LARSG4K2ZUHHSKOD · pith_short_8: LARSG4K2

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/LARSG4K2ZUHHSKODM4GOAEM246 \
  | 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: 582323715acd0e7929c3670ce0119ae7b5c6d0fe9d95d3b9b0d9a86789433d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a77ff91c3807dbeb5c6a24b9e49d9bee4d3d98ce5d4247dfd4a556388f9bde9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-16T07:38:52Z",
    "title_canon_sha256": "78b4a0c8a36a05449919dea089476622b3e66f56087da75e0d2a4f51b2517daf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4219",
    "kind": "arxiv",
    "version": 2
  }
}