Pith Number

pith:7RXFESFK

pith:2017:7RXFESFK6QUBNAUXBWX4MCP37G

not attested not anchored not stored refs pending

Direct transfer of pump amplitude to parametric down-converted photons

Ali Anwar, Chithrabhanu Perumangatt, Pravin Vaity, R. P. Singh

arxiv:1705.03237 v1 · 2017-05-09 · 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{7RXFESFK6QUBNAUXBWX4MCP37G}

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	2026-05-18T00:19:30.515449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc6e5248aaf4281682970dafc609fbf9b9574d380713a10e64d74f4e3178e8e1

Aliases

arxiv: 1705.03237 · arxiv_version: 1705.03237v1 · doi: 10.48550/arxiv.1705.03237 · pith_short_12: 7RXFESFK6QUB · pith_short_16: 7RXFESFK6QUBNAUX · pith_short_8: 7RXFESFK

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/7RXFESFK6QUBNAUXBWX4MCP37G \
  | 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: fc6e5248aaf4281682970dafc609fbf9b9574d380713a10e64d74f4e3178e8e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55807d049563cf3712a6e5f92b03ae853bda8d260e0897d679932388773e22f5",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-05-09T09:06:02Z",
    "title_canon_sha256": "d8461a2701c699719bc5b167887614d3930dd0e259816420a667877ae203c3df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03237",
    "kind": "arxiv",
    "version": 1
  }
}