Pith Number

pith:2DCJKBCY

pith:2012:2DCJKBCYO2WAPWN33WZ3DWP6KQ

not attested not anchored not stored refs pending

On the relationship between pump chirp and single-photon chirp in spontaneous parametric downconversion

A. B. U'Ren, J. L. Lucio, X. Sanchez-Lozano

arxiv:1206.0650 v1 · 2012-06-04 · 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{2DCJKBCYO2WAPWN33WZ3DWP6KQ}

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	2026-05-18T03:10:14.601258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c495045876ac07d9bbddb3b1d9fe540f6dbea7c9c3121fbaad961ec797016f

Aliases

arxiv: 1206.0650 · arxiv_version: 1206.0650v1 · doi: 10.48550/arxiv.1206.0650 · pith_short_12: 2DCJKBCYO2WA · pith_short_16: 2DCJKBCYO2WAPWN3 · pith_short_8: 2DCJKBCY

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/2DCJKBCYO2WAPWN33WZ3DWP6KQ \
  | 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: d0c495045876ac07d9bbddb3b1d9fe540f6dbea7c9c3121fbaad961ec797016f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c0f3f7e4c4a3f32014eaa37bb7b7484a4de4f209cdfe378f8a69d6c65a28c96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-04T15:29:00Z",
    "title_canon_sha256": "6493480b977814020dba310593c0f4919ed29597d2e9436cc82221cf5832877d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0650",
    "kind": "arxiv",
    "version": 1
  }
}