Pith Number

pith:DVUKH4FM

pith:2017:DVUKH4FM5OCZTRQEHCMYK4MBTO

not attested not anchored not stored refs pending

Coherence and Entanglement Preservation of Frequency-Converted Heralded Single Photons

Andreas Lenhard, Christoph Becher, Jos\'e Brito, J\"urgen Eschner, Matthias Bock

arxiv:1703.02879 v1 · 2017-03-08 · 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{DVUKH4FM5OCZTRQEHCMYK4MBTO}

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	2026-05-18T00:44:57.175110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d68a3f0aceb8599c60438998571819b9a976b2ffa888371e21343da46169cac

Aliases

arxiv: 1703.02879 · arxiv_version: 1703.02879v1 · doi: 10.48550/arxiv.1703.02879 · pith_short_12: DVUKH4FM5OCZ · pith_short_16: DVUKH4FM5OCZTRQE · pith_short_8: DVUKH4FM

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/DVUKH4FM5OCZTRQEHCMYK4MBTO \
  | 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: 1d68a3f0aceb8599c60438998571819b9a976b2ffa888371e21343da46169cac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da446e3756c74c7c3c44f36f66618bcca2ed0d309f19d4562cc0d1749a68c9d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-03-08T15:41:05Z",
    "title_canon_sha256": "a017aeb2847d5bf296c1edb984186c8b1a95107005348a2b53378df0553f8476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02879",
    "kind": "arxiv",
    "version": 1
  }
}