Pith Number

pith:77TVN5ZI

pith:2023:77TVN5ZIHOZSXNE6UJVKLEM6NB

not attested not anchored not stored refs pending

Photon Pair Source based on PPLN-Waveguides for Entangled Two-Photon Absorption

Markus Gr\"afe, Nitish Jain, Patrick Hendra, Tobias Bernd G\"abler

arxiv:2303.16584 v2 · 2023-03-29 · 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{77TVN5ZIHOZSXNE6UJVKLEM6NB}

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	2026-07-05T07:07:52.864037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffe756f7283bb32bb49ea26aa5919e6872027c6f001403e3787b68ddeeb2817e

Aliases

arxiv: 2303.16584 · arxiv_version: 2303.16584v2 · doi: 10.48550/arxiv.2303.16584 · pith_short_12: 77TVN5ZIHOZS · pith_short_16: 77TVN5ZIHOZSXNE6 · pith_short_8: 77TVN5ZI

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/77TVN5ZIHOZSXNE6UJVKLEM6NB \
  | 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: ffe756f7283bb32bb49ea26aa5919e6872027c6f001403e3787b68ddeeb2817e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "595ba7e8406263edfaa3f818fd3dac8b515cf7b53508f90f4da8ee3b460f22c5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-03-29T10:39:14Z",
    "title_canon_sha256": "f1e9c4a21e553c3076d37d9876b4e587ddba54bafe04aa91b206760a5d31a843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.16584",
    "kind": "arxiv",
    "version": 2
  }
}