Pith Number

pith:IHTQNIEA

pith:2009:IHTQNIEAT3ARIX4JKJAMRQBAH4

not attested not anchored not stored refs pending

Families of bipartite states classifiable by the positive partial transposition criterion

F. E. S. Steinhoff, M. C. de Oliveira

arxiv:0906.1297 v3 · 2009-06-06 · 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{IHTQNIEAT3ARIX4JKJAMRQBAH4}

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	2026-05-18T04:35:05.360408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41e706a0809ec1145f895240c8c0203f3ee2b15fb10d085f82a8e0ef7d75aeca

Aliases

arxiv: 0906.1297 · arxiv_version: 0906.1297v3 · doi: 10.48550/arxiv.0906.1297 · pith_short_12: IHTQNIEAT3AR · pith_short_16: IHTQNIEAT3ARIX4J · pith_short_8: IHTQNIEA

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/IHTQNIEAT3ARIX4JKJAMRQBAH4 \
  | 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: 41e706a0809ec1145f895240c8c0203f3ee2b15fb10d085f82a8e0ef7d75aeca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f8d70647410ac13815bc9c50e9438608fda1e2c838dd6fb64b868e9294434ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-06T18:24:25Z",
    "title_canon_sha256": "66bfe654379c2030d4d4bb469fcf40e00f90646fee474aafaf893b847de6dd24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1297",
    "kind": "arxiv",
    "version": 3
  }
}