Pith Number

pith:DNDHTAHZ

pith:2012:DNDHTAHZN2GJRFUYCPGORAITCJ

not attested not anchored not stored refs pending

Signal detection without finite-energy limits to quantum resolution

Alfredo Luis

arxiv:1203.4325 v2 · 2012-03-20 · 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{DNDHTAHZN2GJRFUYCPGORAITCJ}

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	2026-05-18T03:36:25.244528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b467980f96e8c98969813cce8811312630582df52f31fcd0228160d66316032

Aliases

arxiv: 1203.4325 · arxiv_version: 1203.4325v2 · doi: 10.48550/arxiv.1203.4325 · pith_short_12: DNDHTAHZN2GJ · pith_short_16: DNDHTAHZN2GJRFUY · pith_short_8: DNDHTAHZ

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/DNDHTAHZN2GJRFUYCPGORAITCJ \
  | 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: 1b467980f96e8c98969813cce8811312630582df52f31fcd0228160d66316032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69cdfb986f902455d13d009cf816eea57c4a6b94013bb8672ea5069249bc7e80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-20T06:38:42Z",
    "title_canon_sha256": "363ae66d3743f29c8d4c0b314d10e16163a6cbbd40bca0c0f70ae7ca3f78b207"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4325",
    "kind": "arxiv",
    "version": 2
  }
}