Pith Number

pith:RKH7PU4J

pith:2023:RKH7PU4JF4RC4RHLM3KMM4YVWT

not attested not anchored not stored refs pending

Pinhole quantum ghost imaging

Andres Vega, Frank Setzpfandt, Sina Saravi, Thomas Pertsch

arxiv:2301.00994 v1 · 2023-01-03 · 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{RKH7PU4JF4RC4RHLM3KMM4YVWT}

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	2026-07-05T05:29:58.275399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a8ff7d3892f222e44eb66d4c67315b4e3055ee17b25beb55775d182efc912ed

Aliases

arxiv: 2301.00994 · arxiv_version: 2301.00994v1 · doi: 10.48550/arxiv.2301.00994 · pith_short_12: RKH7PU4JF4RC · pith_short_16: RKH7PU4JF4RC4RHL · pith_short_8: RKH7PU4J

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/RKH7PU4JF4RC4RHLM3KMM4YVWT \
  | 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: 8a8ff7d3892f222e44eb66d4c67315b4e3055ee17b25beb55775d182efc912ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90485d39c7cca3d5c45c367f0fecb5f149a48cd57ba2ef7daf93b7dc7ed1a6f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-01-03T08:07:43Z",
    "title_canon_sha256": "7458a93d2c3b391d56baaecedc2133c8aa6ed5b040db647e12873d748f93c920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.00994",
    "kind": "arxiv",
    "version": 1
  }
}