Pith Number

pith:OQV6BAET

pith:2025:OQV6BAETQZ3ZAYCPIBGABPNSL2

not attested not anchored not stored refs pending

Quantum undetected optical projection tomography

Alex S. Clark, Chris C. Phillips, Emma Pearce, Jefferson Florez, Nathan R. Gemmell, Rupert F. Oulton

arxiv:2501.05381 v1 · 2025-01-09 · quant-ph · physics.ins-det · 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{OQV6BAETQZ3ZAYCPIBGABPNSL2}

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	2026-07-05T09:59:09.031151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

742be08093867790604f404c00bdb25e81ee5727f06d3fd9abf3ed3da1faaace

Aliases

arxiv: 2501.05381 · arxiv_version: 2501.05381v1 · doi: 10.48550/arxiv.2501.05381 · pith_short_12: OQV6BAETQZ3Z · pith_short_16: OQV6BAETQZ3ZAYCP · pith_short_8: OQV6BAET

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/OQV6BAETQZ3ZAYCPIBGABPNSL2 \
  | 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: 742be08093867790604f404c00bdb25e81ee5727f06d3fd9abf3ed3da1faaace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e45545ae9caf00598dbf70392faa9dc60e7ac794fd0f96efd245a0ef70dc536",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-09T17:10:55Z",
    "title_canon_sha256": "ad970b4394cecbc223c49da513466cf3e73b574a7bc3f82f9821f12295ef46d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.05381",
    "kind": "arxiv",
    "version": 1
  }
}