Pith Number

pith:HKWIHFNE

pith:1999:HKWIHFNEAIINJUAYGRP2ONTTWB

not attested not anchored not stored refs pending

Rank Two Bipartite Bound Entangled States Do Not Exist

Ashish V. Thapliyal, Barbara M. Terhal, John A. Smolin, Pawel Horodecki

arxiv:quant-ph/9910122 v4 · 1999-10-29 · 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{HKWIHFNEAIINJUAYGRP2ONTTWB}

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	2026-07-04T14:47:29.356490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aac8395a40210d4d018345fa73673b050c2f4b2231fc2883925e8def5364517

Aliases

arxiv: quant-ph/9910122 · arxiv_version: quant-ph/9910122v4 · doi: 10.48550/arxiv.quant-ph/9910122 · pith_short_12: HKWIHFNEAIIN · pith_short_16: HKWIHFNEAIINJUAY · pith_short_8: HKWIHFNE

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/HKWIHFNEAIINJUAYGRP2ONTTWB \
  | 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: 3aac8395a40210d4d018345fa73673b050c2f4b2231fc2883925e8def5364517

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0525735a85a381c84e111b8f7d8831891139a2a2dae1ec3f75338b9a1c7fc897",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1999-10-29T16:30:43Z",
    "title_canon_sha256": "5d2e6496b4a8c5c9bf7a1811d4393f3e8ac937a7de65580f2702736ff9602f90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9910122",
    "kind": "arxiv",
    "version": 4
  }
}