pith. sign in
Pith Number

pith:RHONGSYF

pith:2010:RHONGSYFIRKHID2N4SQJTV4NVX
not attested not anchored not stored refs pending

Quantifying Quantumness and the Quest for Queens of Quantum

Daniel Braun, Olivier Giraud, Petr A. Braun

arxiv:1002.2158 v1 · 2010-02-10 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RHONGSYFIRKHID2N4SQJTV4NVX}

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 2026-05-18T02:09:09.883476Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

89dcd34b054454740f4de4a099d78dadf3345bf374d9fd06bac4ea2529df15b7

Aliases

arxiv: 1002.2158 · arxiv_version: 1002.2158v1 · doi: 10.48550/arxiv.1002.2158 · pith_short_12: RHONGSYFIRKH · pith_short_16: RHONGSYFIRKHID2N · pith_short_8: RHONGSYF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RHONGSYFIRKHID2N4SQJTV4NVX \
  | 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: 89dcd34b054454740f4de4a099d78dadf3345bf374d9fd06bac4ea2529df15b7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a1a1cd714011d5a66c824c1adaeb7d3acc916b366899a4b30df48ccb708d2d02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-10T18:21:08Z",
    "title_canon_sha256": "0a66644983ce0117ba8e84d8283ab3a5824aca28f07ce8707d41335f9d4a181a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2158",
    "kind": "arxiv",
    "version": 1
  }
}