Pith Number

pith:H47EDPCA

pith:2024:H47EDPCA6VCKSBFSVCTK7XTXT6

not attested not anchored not stored refs pending

Biphoton State Reconstruction via Phase Retrieval Methods

Alessio D'Errico, Ebrahim Karimi, Francesco Di Colandrea, Nazanin Dehghan

arxiv:2403.06905 v1 · 2024-03-11 · 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{H47EDPCA6VCKSBFSVCTK7XTXT6}

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	2026-07-05T11:26:42.004706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f3e41bc40f544a904b2a8a6afde779fb1f6a0c33aa2e31402792ff167a0b295

Aliases

arxiv: 2403.06905 · arxiv_version: 2403.06905v1 · doi: 10.48550/arxiv.2403.06905 · pith_short_12: H47EDPCA6VCK · pith_short_16: H47EDPCA6VCKSBFS · pith_short_8: H47EDPCA

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/H47EDPCA6VCKSBFSVCTK7XTXT6 \
  | 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: 3f3e41bc40f544a904b2a8a6afde779fb1f6a0c33aa2e31402792ff167a0b295

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee2611d2da8ec621cd318272ba22ffe559a9c390986ded4614882915ca89877f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-03-11T16:56:37Z",
    "title_canon_sha256": "c04244a69d5fd861a4039676a4a5d2a10686554faeb4d610a90fec4b81f0cf20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.06905",
    "kind": "arxiv",
    "version": 1
  }
}