Pith Number

pith:EYBY7BAI

pith:2017:EYBY7BAI2AEYZVREGRPU4CL4K4

not attested not anchored not stored refs pending

Geometric Steering Criterion for Two-qubit States

Bai-Chu Yu, Guang-Can Guo, Yu-Chun Wu, Zhih-Ahn Jia

arxiv:1710.06691 v4 · 2017-10-18 · 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{EYBY7BAI2AEYZVREGRPU4CL4K4}

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	2026-05-18T00:00:35.426333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26038f8408d0098cd624345f4e097c5738c4c0a9f47a412cfbce680e30a2a60c

Aliases

arxiv: 1710.06691 · arxiv_version: 1710.06691v4 · doi: 10.48550/arxiv.1710.06691 · pith_short_12: EYBY7BAI2AEY · pith_short_16: EYBY7BAI2AEYZVRE · pith_short_8: EYBY7BAI

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/EYBY7BAI2AEYZVREGRPU4CL4K4 \
  | 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: 26038f8408d0098cd624345f4e097c5738c4c0a9f47a412cfbce680e30a2a60c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e91ab2f595a3d99a07411961e0843c15043e302bc9d2cfe76c86d54cf61721fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-10-18T12:17:51Z",
    "title_canon_sha256": "928f10c174334a78014da04e97a530c21a16a0e051f6cb3ec3bcdf2237cf420b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06691",
    "kind": "arxiv",
    "version": 4
  }
}