Pith Number

pith:PWZP6XAT

pith:2008:PWZP6XATUISAKDRVSOU3IMZ3QK

not attested not anchored not stored refs pending

Bounds of concurrence and their relation with fidelity and frontier states

Dong-Ling Deng, Fu-Lin Zhang, Jing-Ling Chen, Zhihao Ma

arxiv:0808.2077 v3 · 2008-08-15 · 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{PWZP6XATUISAKDRVSOU3IMZ3QK}

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	2026-05-18T04:11:39.810246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7db2ff5c13a224050e3593a9b4333b82b2469fe2d209a569e05271ea2a4e9ac6

Aliases

arxiv: 0808.2077 · arxiv_version: 0808.2077v3 · doi: 10.48550/arxiv.0808.2077 · pith_short_12: PWZP6XATUISA · pith_short_16: PWZP6XATUISAKDRV · pith_short_8: PWZP6XAT

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/PWZP6XATUISAKDRVSOU3IMZ3QK \
  | 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: 7db2ff5c13a224050e3593a9b4333b82b2469fe2d209a569e05271ea2a4e9ac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74acd9a158fdd047dd9023227cb1816897c92320c383442a3bbe09883cd0d531",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-08-15T03:50:14Z",
    "title_canon_sha256": "afdf45ab429cb0d133c0a86bb44404ec39b5ca3418dfe4616f4b207d6537a8d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2077",
    "kind": "arxiv",
    "version": 3
  }
}