Pith Number

pith:GSCRJUO4

pith:2016:GSCRJUO4HNRWT5MTBPTDZ3G6F7

not attested not anchored not stored refs pending

Quantum metrology at the limit with extremal Majorana constellations

A. B. Klimov, E. Karimi, F. Bouchard, G. Bjork, G. Leuchs, J. Rehacek, L. L. Sanchez-Soto, M. Grassl, P. de la Hoz, R. W. Boyd, Z. Hradil

arxiv:1612.06804 v2 · 2016-12-20 · 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{GSCRJUO4HNRWT5MTBPTDZ3G6F7}

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	2026-05-18T00:30:22.427269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

348514d1dc3b6369f5930be63cecde2feb22f7b31f42ecaf3cb5dd9c128e9996

Aliases

arxiv: 1612.06804 · arxiv_version: 1612.06804v2 · doi: 10.48550/arxiv.1612.06804 · pith_short_12: GSCRJUO4HNRW · pith_short_16: GSCRJUO4HNRWT5MT · pith_short_8: GSCRJUO4

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/GSCRJUO4HNRWT5MTBPTDZ3G6F7 \
  | 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: 348514d1dc3b6369f5930be63cecde2feb22f7b31f42ecaf3cb5dd9c128e9996

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7fce99d13028472fd4d5757a3dca30201e8fd8614f9f357d66da3caced0f842",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-20T18:44:02Z",
    "title_canon_sha256": "ed65b6189c928e0ec77040365a0544dae7bacec27db8d114e7b7a3a11e5edb38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06804",
    "kind": "arxiv",
    "version": 2
  }
}