Pith Number

pith:7S5F47PP

pith:2023:7S5F47PPBEFHX5VSFRFZTKDEMU

not attested not anchored not stored refs pending

Interferometric imaging of amplitude and phase of spatial biphoton states

Alessio D'Errico, Danilo Zia, Ebrahim Karimi, Fabio Sciarrino, Nazanin Dehghan

arxiv:2301.13046 v2 · 2023-01-30 · 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{7S5F47PPBEFHX5VSFRFZTKDEMU}

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	2026-07-05T05:42:50.788145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcba5e7def090a7bf6b22c4b99a8646532af684b88cf2aaa9f421995da927525

Aliases

arxiv: 2301.13046 · arxiv_version: 2301.13046v2 · doi: 10.48550/arxiv.2301.13046 · pith_short_12: 7S5F47PPBEFH · pith_short_16: 7S5F47PPBEFHX5VS · pith_short_8: 7S5F47PP

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/7S5F47PPBEFHX5VSFRFZTKDEMU \
  | 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: fcba5e7def090a7bf6b22c4b99a8646532af684b88cf2aaa9f421995da927525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd342b370ecb731c1a3599b7249af59b7637de5b0b3e64e64ae75ea63d4852e1",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-01-30T16:38:47Z",
    "title_canon_sha256": "a3eec48f8154ea44248c50179165f6cd192141c7fe83359b8b46c0093c21edd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.13046",
    "kind": "arxiv",
    "version": 2
  }
}