Pith Number

pith:KJDQX6X7

pith:2016:KJDQX6X7GDN62QDBREVAYOPCQF

not attested not anchored not stored refs pending

Non-positive-partial-transpose quantum states of rank four are distillable

Dragomir Z Djokovic, Lin Chen

arxiv:1602.04416 v1 · 2016-02-14 · 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{KJDQX6X7GDN62QDBREVAYOPCQF}

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	2026-05-18T00:33:07.310219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52470bfaff30dbed4061892a0c39e28140520c57b837bbb5b557e89d2dde784c

Aliases

arxiv: 1602.04416 · arxiv_version: 1602.04416v1 · doi: 10.48550/arxiv.1602.04416 · pith_short_12: KJDQX6X7GDN6 · pith_short_16: KJDQX6X7GDN62QDB · pith_short_8: KJDQX6X7

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/KJDQX6X7GDN62QDBREVAYOPCQF \
  | 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: 52470bfaff30dbed4061892a0c39e28140520c57b837bbb5b557e89d2dde784c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "081b8c53808a240aa8611847781583b41033a03a0ac3edb39c086075f7694c3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-02-14T05:01:36Z",
    "title_canon_sha256": "53bb093a7817121e2e467495a09ce766a3836e9f56be67da97eed16edd023e76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04416",
    "kind": "arxiv",
    "version": 1
  }
}