Pith Number

pith:KAYXWCGF

pith:2013:KAYXWCGFLM5CJADM7QGGQ263CH

not attested not anchored not stored refs pending

The classical limit of quantum optics: not what it seems at first sight

Alonso Botero, Jeff Tollaksen, Lev Vaidman, Sandu Popescu, Shmuel Nussinov, Yakir Aharonov

arxiv:1305.0168 v1 · 2013-05-01 · 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{KAYXWCGFLM5CJADM7QGGQ263CH}

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	2026-05-18T03:01:10.693568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50317b08c55b3a24806cfc0c686bdb11eccbbeb0c4d083583b60e9532b7e7468

Aliases

arxiv: 1305.0168 · arxiv_version: 1305.0168v1 · doi: 10.48550/arxiv.1305.0168 · pith_short_12: KAYXWCGFLM5C · pith_short_16: KAYXWCGFLM5CJADM · pith_short_8: KAYXWCGF

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/KAYXWCGFLM5CJADM7QGGQ263CH \
  | 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: 50317b08c55b3a24806cfc0c686bdb11eccbbeb0c4d083583b60e9532b7e7468

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fd766a1c1f5bc4f816339dfb67c15b0badca8310d5b5c55813a3401e236b3c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-01T13:26:58Z",
    "title_canon_sha256": "4cb8a984941c03eef8f9fa96d00c0d73ad9cecf3a499c5b13ba8bf920fcd2b53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0168",
    "kind": "arxiv",
    "version": 1
  }
}