Pith Number

pith:R62MWU44

pith:2014:R62MWU443EKYBTQVDMLKHIOBAQ

not attested not anchored not stored refs pending

Role of quantum correlation in metrology beyond standard quantum limit

Manabendra N. Bera

arxiv:1405.5357 v2 · 2014-05-21 · 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{R62MWU443EKYBTQVDMLKHIOBAQ}

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	2026-05-18T02:48:54.517861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fb4cb539cd91580ce151b16a3a1c1040426c138328073116fc8ed5ef3994953

Aliases

arxiv: 1405.5357 · arxiv_version: 1405.5357v2 · doi: 10.48550/arxiv.1405.5357 · pith_short_12: R62MWU443EKY · pith_short_16: R62MWU443EKYBTQV · pith_short_8: R62MWU44

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/R62MWU443EKYBTQVDMLKHIOBAQ \
  | 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: 8fb4cb539cd91580ce151b16a3a1c1040426c138328073116fc8ed5ef3994953

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "811bb6ba4d8b8d89d35c7b37ab347efc1d1e80cc1170ad4e7e7a6f4e18d8ab4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-05-21T10:19:53Z",
    "title_canon_sha256": "003e753a7709cff5983cd3488d1d1b7f9911abbb20631546f28f1a57aa58b22c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5357",
    "kind": "arxiv",
    "version": 2
  }
}