Pith Number

pith:4GKP4GZ7

pith:2012:4GKP4GZ73JQ5W7IBYX2MPLGLB6

not attested not anchored not stored refs pending

Towards higher precision and operational use of optical homodyne tomograms

A. S. Coelho, A. Zavatta, M. Bellini, S. N. Filippov, V. I. Man'ko

arxiv:1203.2974 v2 · 2012-03-13 · 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{4GKP4GZ73JQ5W7IBYX2MPLGLB6}

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	2026-05-18T03:54:25.613636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e194fe1b3fda61db7d01c5f4c7accb0f9df7e08ebd03477be04c4efa6248a891

Aliases

arxiv: 1203.2974 · arxiv_version: 1203.2974v2 · doi: 10.48550/arxiv.1203.2974 · pith_short_12: 4GKP4GZ73JQ5 · pith_short_16: 4GKP4GZ73JQ5W7IB · pith_short_8: 4GKP4GZ7

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/4GKP4GZ73JQ5W7IBYX2MPLGLB6 \
  | 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: e194fe1b3fda61db7d01c5f4c7accb0f9df7e08ebd03477be04c4efa6248a891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d12bc965480ff39841f575ebdc099daeb32464c1c808ccdfadca48017fa56e7d",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-13T23:23:19Z",
    "title_canon_sha256": "38dce39f602283c498ffbb85d38af39b6ae8fba9b5d71ffab16024f0d6d66b66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2974",
    "kind": "arxiv",
    "version": 2
  }
}