Pith Number

pith:C5XODFQG

pith:2012:C5XODFQG7OUOGZWR6S6VQJTWLL

not attested not anchored not stored refs pending

Quantum discord of Bell cat-states under amplitude damping

M. Daoud, R. Ahl Laamara

arxiv:1210.8309 v1 · 2012-10-31 · 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{C5XODFQG7OUOGZWR6S6VQJTWLL}

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	2026-05-18T01:53:35.066719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

176ee19606fba8e366d1f4bd5826765ace91647c66114f78ab63ea7091449d74

Aliases

arxiv: 1210.8309 · arxiv_version: 1210.8309v1 · doi: 10.48550/arxiv.1210.8309 · pith_short_12: C5XODFQG7OUO · pith_short_16: C5XODFQG7OUOGZWR · pith_short_8: C5XODFQG

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/C5XODFQG7OUOGZWR6S6VQJTWLL \
  | 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: 176ee19606fba8e366d1f4bd5826765ace91647c66114f78ab63ea7091449d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d4d1734290481ebaae5fff0f97a32deea3723d84f5d9f03eb1ff6dd7887e105",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-31T12:22:12Z",
    "title_canon_sha256": "4bbe7cc9f43c7499cb26cd8e08a0f0c30cfdb0daa217d69af9c9774dfb69d63c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8309",
    "kind": "arxiv",
    "version": 1
  }
}