Pith Number

pith:KGAEG6GY

pith:2015:KGAEG6GYZDNGHWZ7XWUC5X4IX2

not attested not anchored not stored refs pending

Direct generation of genuine single-longitudinal-mode narrowband photon pairs

Benjamin Brecht, Christine Silberhorn, Harald Herrmann, Hubertus Suche, Kai-Hong Luo, Raimund Ricken, Stephan Krapick, Viktor Quiring, Wolfgang Sohler

arxiv:1504.01854 v1 · 2015-04-08 · 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{KGAEG6GYZDNGHWZ7XWUC5X4IX2}

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	2026-05-18T01:34:23.698207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51804378d8c8da63db3fbda82edf88bead1b05f0be81f14d294e749a70bd8e2c

Aliases

arxiv: 1504.01854 · arxiv_version: 1504.01854v1 · doi: 10.48550/arxiv.1504.01854 · pith_short_12: KGAEG6GYZDNG · pith_short_16: KGAEG6GYZDNGHWZ7 · pith_short_8: KGAEG6GY

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/KGAEG6GYZDNGHWZ7XWUC5X4IX2 \
  | 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: 51804378d8c8da63db3fbda82edf88bead1b05f0be81f14d294e749a70bd8e2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70ed7686fdf2e265f5c01c9b0dc132da6ae12125d29a9cfefef1ad853f50f351",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-08T07:51:30Z",
    "title_canon_sha256": "2035d3628e0a47ff95b9614226701967d34c69112a38f0858cf7a488e3454805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01854",
    "kind": "arxiv",
    "version": 1
  }
}