Pith Number

pith:NXECFBFT

pith:2018:NXECFBFTF74BXRMAU77BTW2RDP

not attested not anchored not stored refs pending

Triangle inequalities in coherence measures and entanglement concurrence

Chengjie Zhang, Wenlong You, Yue Dai, Yuli Dong

arxiv:1804.03840 v1 · 2018-04-11 · 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{NXECFBFTF74BXRMAU77BTW2RDP}

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	2026-05-18T00:18:42.905908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dc82284b32ff81bc580a7fe19db511bf0fbd2ba99063c1fbbed16c516e67747

Aliases

arxiv: 1804.03840 · arxiv_version: 1804.03840v1 · doi: 10.48550/arxiv.1804.03840 · pith_short_12: NXECFBFTF74B · pith_short_16: NXECFBFTF74BXRMA · pith_short_8: NXECFBFT

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/NXECFBFTF74BXRMAU77BTW2RDP \
  | 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: 6dc82284b32ff81bc580a7fe19db511bf0fbd2ba99063c1fbbed16c516e67747

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92ff03f619e216fd8c890856f3c7b9d58ee6c76da1347e010b205c48710dd5de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-11T07:18:29Z",
    "title_canon_sha256": "788a9e00d02e49637fe6e80aa38b4ec926b83c1de2fbad2388c8f53b9ecf82f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03840",
    "kind": "arxiv",
    "version": 1
  }
}