Pith Number

pith:4T7SACKC

pith:2012:4T7SACKCR75RILFU5ZKYLIT43S

not attested not anchored not stored refs pending

An Efficient Integrated Two-Color Source for Heralded Single Photons

Benjamin Brecht, Christine Silberhorn, Harald Herrmann, Hubertus Suche, Stephan Krapick, Viktor Quiring

arxiv:1211.3960 v2 · 2012-11-16 · 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{4T7SACKCR75RILFU5ZKYLIT43S}

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	2026-05-18T03:31:09.097756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4ff2009428ffb142cb4ee5585a27cdc8cc8fd06c5ed749af100082f8e4e5dae

Aliases

arxiv: 1211.3960 · arxiv_version: 1211.3960v2 · doi: 10.48550/arxiv.1211.3960 · pith_short_12: 4T7SACKCR75R · pith_short_16: 4T7SACKCR75RILFU · pith_short_8: 4T7SACKC

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/4T7SACKCR75RILFU5ZKYLIT43S \
  | 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: e4ff2009428ffb142cb4ee5585a27cdc8cc8fd06c5ed749af100082f8e4e5dae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c0efd4f381212e05a44844fe25bc3c6f8f347eb2b8400faa00bfa8308dbcbcd",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-16T17:32:24Z",
    "title_canon_sha256": "6d857416096802eff89e36540e5d563163deabea70ae1d1237f6cad4332befd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3960",
    "kind": "arxiv",
    "version": 2
  }
}