Pith Number

pith:KMOD7NLL

pith:2005:KMOD7NLLIMRYBOFYIH7JMHUVK7

not attested not anchored not stored refs pending

Another dual formulation of the separability problem

D. Salgado, J.L. Sanchez-Gomez, M. Ferrero

arxiv:quant-ph/0509124 v1 · 2005-09-19 · 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{KMOD7NLLIMRYBOFYIH7JMHUVK7}

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	2026-07-04T14:47:36.224919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

531c3fb56b432380b8b841fe961e9557e566d6f83c7fc7d9f6b4e6d8960fb8b6

Aliases

arxiv: quant-ph/0509124 · arxiv_version: quant-ph/0509124v1 · doi: 10.48550/arxiv.quant-ph/0509124 · pith_short_12: KMOD7NLLIMRY · pith_short_16: KMOD7NLLIMRYBOFY · pith_short_8: KMOD7NLL

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/KMOD7NLLIMRYBOFYIH7JMHUVK7 \
  | 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: 531c3fb56b432380b8b841fe961e9557e566d6f83c7fc7d9f6b4e6d8960fb8b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13a8a2c502dd13f32c1b5a875515d234ab189347741d0ff7883455fac946f84c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-09-19T14:37:40Z",
    "title_canon_sha256": "27755af3da7398b22e224bcffdd9451ba96b1e4c271ef46775377230f789e3f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0509124",
    "kind": "arxiv",
    "version": 1
  }
}