Pith Number

pith:DWOJ45OV

pith:2012:DWOJ45OVQX2Y76DN6DNJNSF45N

not attested not anchored not stored refs pending

Experimental observation of double-peak structure of coincidence spectra in ultra-fast Spontaneous Parametric Down Conversion

Dmitry A. Kalashnikov, Leonid A. Krivitsky, Mikhail V. Fedorov

arxiv:1209.4686 v2 · 2012-09-21 · 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{DWOJ45OVQX2Y76DN6DNJNSF45N}

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	2026-05-18T03:37:20.142996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d9c9e75d585f58ff86df0da96c8bceb633f928cc30e598ce9948b66a24da92e

Aliases

arxiv: 1209.4686 · arxiv_version: 1209.4686v2 · doi: 10.48550/arxiv.1209.4686 · pith_short_12: DWOJ45OVQX2Y · pith_short_16: DWOJ45OVQX2Y76DN · pith_short_8: DWOJ45OV

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/DWOJ45OVQX2Y76DN6DNJNSF45N \
  | 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: 1d9c9e75d585f58ff86df0da96c8bceb633f928cc30e598ce9948b66a24da92e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fa630cb84fc44c50f4c20fa7abb368650929e88fbc580323f521e6397af8f9f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-21T01:46:17Z",
    "title_canon_sha256": "92fa3ce189b27740e074e573b9f9f81852e0903235260ce8f6e4eaad00f07d28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4686",
    "kind": "arxiv",
    "version": 2
  }
}