Pith Number

pith:OBGHVVDJ

pith:2009:OBGHVVDJ7DXP5FYQPZQ33QYZSG

not attested not anchored not stored refs pending

Comment on "Groverian Entanglement Measure and Evolution of Entanglement in Search Algorithm for n(= 3, 5)-Qubit Systems with Real Coefficients" (Volume 6, Number 4, August 2007), by Arti Chamoli and C. M. Bhandari

Preeti Parashar, Swapan Rana

arxiv:0908.2031 v1 · 2009-08-14 · 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{OBGHVVDJ7DXP5FYQPZQ33QYZSG}

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	2026-05-18T02:42:15.526814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

704c7ad469f8eefe97107e61bdc31991a17df42dceb926526f3824187f9a3b9d

Aliases

arxiv: 0908.2031 · arxiv_version: 0908.2031v1 · doi: 10.48550/arxiv.0908.2031 · pith_short_12: OBGHVVDJ7DXP · pith_short_16: OBGHVVDJ7DXP5FYQ · pith_short_8: OBGHVVDJ

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/OBGHVVDJ7DXP5FYQPZQ33QYZSG \
  | 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: 704c7ad469f8eefe97107e61bdc31991a17df42dceb926526f3824187f9a3b9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df0c9a5dcb6952ee47fed7dfb2b8c91980a381062966d19e5c46bb37358bdd23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-14T10:03:29Z",
    "title_canon_sha256": "c63a89cd82c7271113f27baf17b58be3996b3df0b781f800ee77e0a943f0652c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2031",
    "kind": "arxiv",
    "version": 1
  }
}