Pith Number

pith:LDJP7PYR

pith:2013:LDJP7PYRFZPP5VZWG57B4OJJVC

not attested not anchored not stored refs pending

Cat state, sub-Planck structure and weak measurement

A. K. Pan, P. K. Panigrahi

arxiv:1305.4009 v1 · 2013-05-17 · 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{LDJP7PYRFZPP5VZWG57B4OJJVC}

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	2026-05-18T03:15:32.093185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58d2ffbf112e5efed736377e1e3929a8a21f446f89b9e78e365c9a58e6777605

Aliases

arxiv: 1305.4009 · arxiv_version: 1305.4009v1 · doi: 10.48550/arxiv.1305.4009 · pith_short_12: LDJP7PYRFZPP · pith_short_16: LDJP7PYRFZPP5VZW · pith_short_8: LDJP7PYR

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/LDJP7PYRFZPP5VZWG57B4OJJVC \
  | 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: 58d2ffbf112e5efed736377e1e3929a8a21f446f89b9e78e365c9a58e6777605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "895a9563a5e7f711c5b4f297cea1e6b501534d8b342affc6d03d244fa1102caf",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-17T08:21:13Z",
    "title_canon_sha256": "4b81d9d0e24e74c73d057f41589064318d77ac9e7aa96c62dc53ded535565626"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4009",
    "kind": "arxiv",
    "version": 1
  }
}