Pith Number

pith:FDSMXZRE

pith:2013:FDSMXZREGH7TLOLBRH7JDFNHUD

not attested not anchored not stored refs pending

Parasitic nonlinearities in photon pair generation via integrated spontaneous four-wave mixing: critical problem or distraction?

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

arxiv:1305.0068 v1 · 2013-05-01 · 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{FDSMXZREGH7TLOLBRH7JDFNHUD}

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	2026-05-18T03:15:57.413440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28e4cbe62431ff35b96189fe9195a7a0fa43e87b90e672334413a7277aa4fbc7

Aliases

arxiv: 1305.0068 · arxiv_version: 1305.0068v1 · doi: 10.48550/arxiv.1305.0068 · pith_short_12: FDSMXZREGH7T · pith_short_16: FDSMXZREGH7TLOLB · pith_short_8: FDSMXZRE

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/FDSMXZREGH7TLOLBRH7JDFNHUD \
  | 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: 28e4cbe62431ff35b96189fe9195a7a0fa43e87b90e672334413a7277aa4fbc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ded4115c25699385b22327a24cf655cd365b52266eefd5ab36b268b36f5ed1b8",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-01T02:06:56Z",
    "title_canon_sha256": "d0fa585f922cde8f50651a930091683c2e854054c6219c483f1c119a6c62e61f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0068",
    "kind": "arxiv",
    "version": 1
  }
}