Pith Number

pith:RP57TNJJ

pith:2019:RP57TNJJOACQGOP6YOWAZV27UB

not attested not anchored not stored refs pending

A hierarchy of entanglement criteria for four qubit symmetric Greenberger-Horne-Zeilinger diagonal states

Li-zhen Jiang, Xiao-Yu Chen

arxiv:1901.02312 v1 · 2019-01-08 · 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{RP57TNJJOACQGOP6YOWAZV27UB}

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	2026-05-17T23:56:43.602329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bfbf9b52970050339fec3ac0cd75fa0415e7eccba447de5023924529b905c0f

Aliases

arxiv: 1901.02312 · arxiv_version: 1901.02312v1 · doi: 10.48550/arxiv.1901.02312 · pith_short_12: RP57TNJJOACQ · pith_short_16: RP57TNJJOACQGOP6 · pith_short_8: RP57TNJJ

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/RP57TNJJOACQGOP6YOWAZV27UB \
  | 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: 8bfbf9b52970050339fec3ac0cd75fa0415e7eccba447de5023924529b905c0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "490aa938d957b520833486e583e495a5270709d9fff68ac0be2294837d8212c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-08T14:01:56Z",
    "title_canon_sha256": "2f762f962d2efc91a4dd6acaaa0ae73ec310e056e29dfe550ebf836d0a1820cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02312",
    "kind": "arxiv",
    "version": 1
  }
}