Pith Number

pith:K7P6N44J

pith:2009:K7P6N44JEA5BLGBC2EF7SBQJ4Y

not attested not anchored not stored refs pending

Partial K-way Negativities of Pure Four qubit Entangled States

N. K. Sharma, S. Shelly Sharma

arxiv:0903.1363 v2 · 2009-03-07 · 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{K7P6N44JEA5BLGBC2EF7SBQJ4Y}

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	2026-05-18T04:42:35.362270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57dfe6f389203a159822d10bf90609e6304244f678567f37e5f3cb5422acc74c

Aliases

arxiv: 0903.1363 · arxiv_version: 0903.1363v2 · doi: 10.48550/arxiv.0903.1363 · pith_short_12: K7P6N44JEA5B · pith_short_16: K7P6N44JEA5BLGBC · pith_short_8: K7P6N44J

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/K7P6N44JEA5BLGBC2EF7SBQJ4Y \
  | 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: 57dfe6f389203a159822d10bf90609e6304244f678567f37e5f3cb5422acc74c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48a510a61e722ec165affcaf1146ba70864d20ecb7196046ec96315cef50f09b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-03-07T19:23:25Z",
    "title_canon_sha256": "647aef4e844e4ae81dc362c29d1c5e9ecf401969aac2976be084c39bab165388"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1363",
    "kind": "arxiv",
    "version": 2
  }
}