Pith Number

pith:YMF3JRY5

pith:2017:YMF3JRY5V6T2L374QOWI3TABFT

not attested not anchored not stored refs pending

Pure down-conversion photons through sub-coherence length domain engineering

Agata M. Bra\'nczyk, Alessandro Fedrizzi, Derryck T. Reid, Dmytro Kundys, Francesco Graffitti

arxiv:1704.03683 v2 · 2017-04-12 · 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{YMF3JRY5V6T2L374QOWI3TABFT}

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	2026-05-18T00:27:46.850671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c30bb4c71dafa7a5effc83ac8dcc012cfd1ea231cd210c010d9fadfb886d8099

Aliases

arxiv: 1704.03683 · arxiv_version: 1704.03683v2 · doi: 10.48550/arxiv.1704.03683 · pith_short_12: YMF3JRY5V6T2 · pith_short_16: YMF3JRY5V6T2L374 · pith_short_8: YMF3JRY5

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/YMF3JRY5V6T2L374QOWI3TABFT \
  | 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: c30bb4c71dafa7a5effc83ac8dcc012cfd1ea231cd210c010d9fadfb886d8099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2364b9f4d60de38409208b4f2e84f0786a9b0a0e61b4f24d637f5a71bf9db4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-04-12T10:04:06Z",
    "title_canon_sha256": "30a3651e8071e84448e906bad3f8b3510ed74ca6d77811801c6b8d0c80f42375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03683",
    "kind": "arxiv",
    "version": 2
  }
}