Pith Number

pith:C2YHVEHI

pith:2018:C2YHVEHIT3RUUNFTJZH6LGLD5Q

not attested not anchored not stored refs pending

Complete Optimal Convex Approximations of Qubit States under $B_2$ Distance

Biao-Liang Ye, Bo Li, Shao-Ming Fei, Xianqing Li-Jost, Xiao-Bin Liang

arxiv:1806.05080 v1 · 2018-06-13 · 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{C2YHVEHIT3RUUNFTJZH6LGLD5Q}

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	2026-05-18T00:13:20.177889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16b07a90e89ee34a34b34e4fe59963ec194040197255dbf794afd510ce212c9e

Aliases

arxiv: 1806.05080 · arxiv_version: 1806.05080v1 · doi: 10.48550/arxiv.1806.05080 · pith_short_12: C2YHVEHIT3RU · pith_short_16: C2YHVEHIT3RUUNFT · pith_short_8: C2YHVEHI

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/C2YHVEHIT3RUUNFTJZH6LGLD5Q \
  | 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: 16b07a90e89ee34a34b34e4fe59963ec194040197255dbf794afd510ce212c9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eacba8917b8d94f40d4e3bf439756d8da2ea87523dc0fcfab81ccfd0feca7bf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-13T14:23:24Z",
    "title_canon_sha256": "3bf2b67c0125dee3c050a407f1655e84429d47635f9badea29c4d0933d4c54dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05080",
    "kind": "arxiv",
    "version": 1
  }
}