Pith Number

pith:FZY3J5YY

pith:2012:FZY3J5YYJUDNGE7OWXGF42ARIA

not attested not anchored not stored refs pending

Alternative measures of uncertainty in quantum metrology: Contradictions and limits

Alfonso Rodil, Alfredo Luis

arxiv:1201.3072 v2 · 2012-01-15 · 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{FZY3J5YYJUDNGE7OWXGF42ARIA}

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	2026-05-18T02:21:18.472827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e71b4f7184d06d313eeb5cc5e6811403dcc9c2b3314619aff1acd8896e28482

Aliases

arxiv: 1201.3072 · arxiv_version: 1201.3072v2 · doi: 10.48550/arxiv.1201.3072 · pith_short_12: FZY3J5YYJUDN · pith_short_16: FZY3J5YYJUDNGE7O · pith_short_8: FZY3J5YY

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/FZY3J5YYJUDNGE7OWXGF42ARIA \
  | 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: 2e71b4f7184d06d313eeb5cc5e6811403dcc9c2b3314619aff1acd8896e28482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c15f8cb47478685fd9bdaf1dab9599a2a4ad286fb9c14415053ac75fca93251",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-01-15T09:16:01Z",
    "title_canon_sha256": "631ca419d98026cb1c263585ee00a65b9ac1f48bb331c5230d30f69252326a65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3072",
    "kind": "arxiv",
    "version": 2
  }
}