Pith Number

pith:NNWRYMQQ

pith:2010:NNWRYMQQE3CZF4W5Q7FFKKKTUO

not attested not anchored not stored refs pending

A cone approach to the quantum separability problem

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

arxiv:1003.3545 v1 · 2010-03-18 · 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{NNWRYMQQE3CZF4W5Q7FFKKKTUO}

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	2026-07-04T17:23:34.275335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b6d1c321026c592f2dd87ca552953a396de2bc16dbb04a782fd5f2666bdeee8

Aliases

arxiv: 1003.3545 · arxiv_version: 1003.3545v1 · doi: 10.48550/arxiv.1003.3545 · pith_short_12: NNWRYMQQE3CZ · pith_short_16: NNWRYMQQE3CZF4W5 · pith_short_8: NNWRYMQQ

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/NNWRYMQQE3CZF4W5Q7FFKKKTUO \
  | 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: 6b6d1c321026c592f2dd87ca552953a396de2bc16dbb04a782fd5f2666bdeee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed5859fc3a8b50cd471d63c9744a3af30cfaa69b3e1f9aa39b1f1525664e066a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-03-18T10:31:48Z",
    "title_canon_sha256": "7e9c991a8c7bfaadfd4b7acb57454f044087d0d15e685eac6ed7161f12b2a2ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3545",
    "kind": "arxiv",
    "version": 1
  }
}