Pith Number

pith:25XGLRH4

pith:2010:25XGLRH45NLZATTIT3ZINCLPSV

not attested not anchored not stored refs pending

Numerical studies of entangled PPT states in composite quantum systems

Jan Myrheim, Jon Magne Leinaas, Per Oyvind Sollid

arxiv:1002.1949 v1 · 2010-02-09 · 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{25XGLRH45NLZATTIT3ZINCLPSV}

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	2026-05-18T04:25:50.622544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d76e65c4fceb57904e689ef286896f9546ffd2958632682f28d668e3420772bc

Aliases

arxiv: 1002.1949 · arxiv_version: 1002.1949v1 · doi: 10.48550/arxiv.1002.1949 · pith_short_12: 25XGLRH45NLZ · pith_short_16: 25XGLRH45NLZATTI · pith_short_8: 25XGLRH4

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/25XGLRH45NLZATTIT3ZINCLPSV \
  | 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: d76e65c4fceb57904e689ef286896f9546ffd2958632682f28d668e3420772bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a140a1b0e876a41642ed0fb50a1cdcfc04bb5c401f5c174045ee0bfc71814180",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-09T19:34:08Z",
    "title_canon_sha256": "11bb3710972e08b995e09748c893d6729d62e3c33efbfee2fa2da696cfaaa805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1949",
    "kind": "arxiv",
    "version": 1
  }
}