Pith Number

pith:FYQTU2NE

pith:2022:FYQTU2NEEBRLQXLR45AXKNWR5B

not attested not anchored not stored refs pending

Spatial and temporal characteristics of spontaneous parametric down-conversion with varying focal planes of interacting beams

Baghdasar Baghdasaryan, Richard Bernecker, Stephan Fritzsche

arxiv:2212.12571 v3 · 2022-12-23 · 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{FYQTU2NEEBRLQXLR45AXKNWR5B}

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	2026-07-05T09:06:38.990491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e213a69a42062b85d71e7417536d1e87b3485fcc8e33315b9ebaec3bdc3d094

Aliases

arxiv: 2212.12571 · arxiv_version: 2212.12571v3 · doi: 10.48550/arxiv.2212.12571 · pith_short_12: FYQTU2NEEBRL · pith_short_16: FYQTU2NEEBRLQXLR · pith_short_8: FYQTU2NE

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/FYQTU2NEEBRLQXLR45AXKNWR5B \
  | 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: 2e213a69a42062b85d71e7417536d1e87b3485fcc8e33315b9ebaec3bdc3d094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "744ccc37e7cbb7f33c1e030b16ceed4bf47a8586b5be2956b75c05b2b11d412e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-12-23T20:04:24Z",
    "title_canon_sha256": "808d8cdb902f0024ec2a449e99dc921cef5fd4c381d59c6b796f4cf7bf0e1d10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.12571",
    "kind": "arxiv",
    "version": 3
  }
}