Pith Number

pith:WJKLNMJG

pith:2021:WJKLNMJG4EHJM4P4W4NLTXP5PT

not attested not anchored not stored refs pending

General considerations in unbalanced fourth-order interference

Xiaoying Li, Z. Y. Ou

arxiv:2111.02107 v1 · 2021-11-03 · 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{WJKLNMJG4EHJM4P4W4NLTXP5PT}

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	2026-07-05T10:10:21.010115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b254b6b126e10e9671fcb71ab9ddfd7cce636a849da381a120c7425980f98df4

Aliases

arxiv: 2111.02107 · arxiv_version: 2111.02107v1 · doi: 10.48550/arxiv.2111.02107 · pith_short_12: WJKLNMJG4EHJ · pith_short_16: WJKLNMJG4EHJM4P4 · pith_short_8: WJKLNMJG

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/WJKLNMJG4EHJM4P4W4NLTXP5PT \
  | 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: b254b6b126e10e9671fcb71ab9ddfd7cce636a849da381a120c7425980f98df4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c560b44943e02abce6060de1419d12a0db91895395660df9e1a794ac2737f000",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-03T09:57:19Z",
    "title_canon_sha256": "fe9e397d6b7b6fdf60940fa23ff5baf60b05b1d2cf24940f996bf56beb3ffa10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.02107",
    "kind": "arxiv",
    "version": 1
  }
}