Pith Number

pith:25AA4RKV

pith:2004:25AA4RKVZDLTP7C7C7JBSZWAGM

not attested not anchored not stored refs pending

Geometrical Optics in Coincidence Imaging System

De-zhong Cao, Jun Xiong, Kaige Wang

arxiv:quant-ph/0407065 v1 · 2004-07-08 · 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{25AA4RKVZDLTP7C7C7JBSZWAGM}

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	2026-07-04T16:50:20.767894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7400e4555c8d737fc5f17d21966c03311c74cc737c5be11a69fb3695cf1fdce

Aliases

arxiv: quant-ph/0407065 · arxiv_version: quant-ph/0407065v1 · doi: 10.48550/arxiv.quant-ph/0407065 · pith_short_12: 25AA4RKVZDLT · pith_short_16: 25AA4RKVZDLTP7C7 · pith_short_8: 25AA4RKV

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/25AA4RKVZDLTP7C7C7JBSZWAGM \
  | 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: d7400e4555c8d737fc5f17d21966c03311c74cc737c5be11a69fb3695cf1fdce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "205896ac1d29ea4f8fad417a369a8a5b80738d05abb0afe87a24d50c089c1e7c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-07-08T08:54:34Z",
    "title_canon_sha256": "12a152ac6488442b443a603b240a7c906266fd4edaeb23f2eae5211b74276324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0407065",
    "kind": "arxiv",
    "version": 1
  }
}