Pith Number

pith:FJ6NWSNS

pith:2019:FJ6NWSNSTEPMRHHT7LEFRUVYQQ

not attested not anchored not stored refs pending

Joint spectral amplitude analysis of SPDC photon pairs in a multimode ppLN ridge waveguide

Joyee Ghosh, Ramesh Kumar

arxiv:1906.10344 v1 · 2019-06-25 · 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{FJ6NWSNSTEPMRHHT7LEFRUVYQQ}

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	2026-05-17T23:42:31.548391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a7cdb49b2991ec89cf3fac858d2b884086f2c772468888277bb9ec5da8d6582

Aliases

arxiv: 1906.10344 · arxiv_version: 1906.10344v1 · doi: 10.48550/arxiv.1906.10344 · pith_short_12: FJ6NWSNSTEPM · pith_short_16: FJ6NWSNSTEPMRHHT · pith_short_8: FJ6NWSNS

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/FJ6NWSNSTEPMRHHT7LEFRUVYQQ \
  | 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: 2a7cdb49b2991ec89cf3fac858d2b884086f2c772468888277bb9ec5da8d6582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebadb8ee9ea23ee9d4bb7bf8a4cd744dbb82f3fb7e5f8871406ff611580a33dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-06-25T06:45:38Z",
    "title_canon_sha256": "062962162b8c9acff195d61ca6f0da70d4ee54411f397f446e0de302fc4f861a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10344",
    "kind": "arxiv",
    "version": 1
  }
}