Pith Number

pith:ZANKDHGS

pith:2017:ZANKDHGS223MFM5GGBUGDS4BME

not attested not anchored not stored refs pending

Heralded creation of photonic qudits from parametric down conversion using linear optics

Akira Furusawa, Jun-ichi Yoshikawa, Kan Takase, Kenzo Makino, Marcel Bergmann, Maria Fuwa, Masanori Okada, Peter van Loock, Shuntaro Takeda, Takeshi Toyama

arxiv:1710.08906 v1 · 2017-10-24 · 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{ZANKDHGS223MFM5GGBUGDS4BME}

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	2026-05-18T00:15:20.409705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c81aa19cd2d6b6c2b3a6306861cb81611f0b46f3cd18c5e164324b99d83155f8

Aliases

arxiv: 1710.08906 · arxiv_version: 1710.08906v1 · doi: 10.48550/arxiv.1710.08906 · pith_short_12: ZANKDHGS223M · pith_short_16: ZANKDHGS223MFM5G · pith_short_8: ZANKDHGS

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/ZANKDHGS223MFM5GGBUGDS4BME \
  | 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: c81aa19cd2d6b6c2b3a6306861cb81611f0b46f3cd18c5e164324b99d83155f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7323f81995c54bc605f59ce50f7be7715f579e441d7922c14e5a790822b41d41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-10-24T17:46:20Z",
    "title_canon_sha256": "2a4bfdac46afebc8a571195b8b035f1514b7b129d205f881d670a25c10a31cad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08906",
    "kind": "arxiv",
    "version": 1
  }
}