Pith Number

pith:KN2RQEOU

pith:2015:KN2RQEOUCSXFBQJTISVPLJ3HVU

not attested not anchored not stored refs pending

Geometric lower bound for a quantum coherence measure

Diego Paiva Pires, Diogo O. Soares-Pinto, Lucas C. C\'eleri

arxiv:1501.05271 v3 · 2015-01-21 · 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{KN2RQEOUCSXFBQJTISVPLJ3HVU}

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	2026-05-18T02:17:54.287816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53751811d414ae50c13344aaf5a767ad134d4ef4af3453b202cbe2ddc959a703

Aliases

arxiv: 1501.05271 · arxiv_version: 1501.05271v3 · doi: 10.48550/arxiv.1501.05271 · pith_short_12: KN2RQEOUCSXF · pith_short_16: KN2RQEOUCSXFBQJT · pith_short_8: KN2RQEOU

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/KN2RQEOUCSXFBQJTISVPLJ3HVU \
  | 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: 53751811d414ae50c13344aaf5a767ad134d4ef4af3453b202cbe2ddc959a703

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61030835d763faed34f2b6cd647614cc4f465a64f703ac6e471b96c6ede6c698",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-01-21T19:34:11Z",
    "title_canon_sha256": "ae2d22cb3a1e00748af432513278c6743241abe88a2387c837d19bf5697dbea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05271",
    "kind": "arxiv",
    "version": 3
  }
}