Pith Number

pith:CFUAPCUC

pith:2022:CFUAPCUCWW2JGNXPSDFWNMRPTH

not attested not anchored not stored refs pending

Frequency-bin entanglement from domain-engineered down-conversion

Alessandro Fedrizzi, Alexander Pickston, Christopher L. Morrison, Francesco Graffitti, Joseph Ho, Peter Barrow

arxiv:2201.07259 v1 · 2022-01-18 · 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{CFUAPCUCWW2JGNXPSDFWNMRPTH}

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.

Cited by

1 paper in Pith

Generalised quantum interference

Receipt and verification

First computed	2026-07-05T04:28:09.431108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1168078a82b5b49336ef90cb66b22f99c999ee127a084fa365fa07bb47ac1357

Aliases

arxiv: 2201.07259 · arxiv_version: 2201.07259v1 · doi: 10.48550/arxiv.2201.07259 · pith_short_12: CFUAPCUCWW2J · pith_short_16: CFUAPCUCWW2JGNXP · pith_short_8: CFUAPCUC

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/CFUAPCUCWW2JGNXPSDFWNMRPTH \
  | 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: 1168078a82b5b49336ef90cb66b22f99c999ee127a084fa365fa07bb47ac1357

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c275f9586785fa42fc12e0b38c9dde4d077952de63fb63d5a34d83ccb272ca1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-01-18T19:00:29Z",
    "title_canon_sha256": "0947e45e4ca710f63a9277043e056c14578e6963e9640550c1b28bb19d93f0c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07259",
    "kind": "arxiv",
    "version": 1
  }
}