Pith Number

pith:WV6BJLAB

pith:2018:WV6BJLABU755LNRBPVYVEHNIB2

not attested not anchored not stored refs pending

Optimization of ultrafine entanglement witnesses

Ming Li, Shao-Ming Fei, Shu-Qian Shen, Ti-Run Xu, Xianqing Li-Jost

arxiv:1803.11065 v1 · 2018-03-29 · 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{WV6BJLABU755LNRBPVYVEHNIB2}

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	2026-05-18T00:19:48.654356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b57c14ac01a7fbd5b6217d71521da80eb03463856f4a3c0e74361af43d94f291

Aliases

arxiv: 1803.11065 · arxiv_version: 1803.11065v1 · doi: 10.48550/arxiv.1803.11065 · pith_short_12: WV6BJLABU755 · pith_short_16: WV6BJLABU755LNRB · pith_short_8: WV6BJLAB

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/WV6BJLABU755LNRBPVYVEHNIB2 \
  | 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: b57c14ac01a7fbd5b6217d71521da80eb03463856f4a3c0e74361af43d94f291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30be432bb65208b3f5b1ae1d65ad8c6fb6111e31251fb7f1178bc9b785e1c677",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-03-29T13:56:25Z",
    "title_canon_sha256": "9697e706afb4df02a701a33f933c1fe2bbc2cb78443b4348521878ea36d950cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11065",
    "kind": "arxiv",
    "version": 1
  }
}