Pith Number

pith:C3CSGLBJ

pith:2009:C3CSGLBJLOTQNRZ7SNO5L53J4Z

not attested not anchored not stored refs pending

Entanglement Capacity of Nonlocal Hamiltonians : A Geometric Approach

Ali Saif M. Hassan, Behzad Lari, Pramod S. Joag

arxiv:0904.2947 v2 · 2009-04-20 · 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{C3CSGLBJLOTQNRZ7SNO5L53J4Z}

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	2026-05-18T02:13:59.018770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16c5232c295ba706c73f935dd5f769e65c7647df25c78be1a0ee720b10b92ec2

Aliases

arxiv: 0904.2947 · arxiv_version: 0904.2947v2 · doi: 10.48550/arxiv.0904.2947 · pith_short_12: C3CSGLBJLOTQ · pith_short_16: C3CSGLBJLOTQNRZ7 · pith_short_8: C3CSGLBJ

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/C3CSGLBJLOTQNRZ7SNO5L53J4Z \
  | 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: 16c5232c295ba706c73f935dd5f769e65c7647df25c78be1a0ee720b10b92ec2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dfc6a785faefbf5a1b2b389d3a2f752d9ffe88ace3bff55c86911b226466b6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-04-20T05:14:21Z",
    "title_canon_sha256": "73de7510e958ce78b4b35697c339314da4040a1578363c4c3a822c8a6c532443"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2947",
    "kind": "arxiv",
    "version": 2
  }
}