Pith Number

pith:3IFKN23E

pith:2011:3IFKN23EZSJ7N4FIDTPFICVWRA

not attested not anchored not stored refs pending

Partial standard quantum process tomography

Ke Xu, Xiaohua Wu

arxiv:1105.2991 v1 · 2011-05-16 · 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{3IFKN23EZSJ7N4FIDTPFICVWRA}

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	2026-05-18T04:22:01.611478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da0aa6eb64cc93f6f0a81cde540ab68831bee1ecd3bee73e0857616be00e055d

Aliases

arxiv: 1105.2991 · arxiv_version: 1105.2991v1 · doi: 10.48550/arxiv.1105.2991 · pith_short_12: 3IFKN23EZSJ7 · pith_short_16: 3IFKN23EZSJ7N4FI · pith_short_8: 3IFKN23E

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/3IFKN23EZSJ7N4FIDTPFICVWRA \
  | 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: da0aa6eb64cc93f6f0a81cde540ab68831bee1ecd3bee73e0857616be00e055d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df48ff80c09dd8d6b610f02e44d747b3d44739257b8f5fda34651f49a7a3e1ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-05-16T02:14:27Z",
    "title_canon_sha256": "27d7e580ac8f926ac113c90eede8acb839727e6e6b0354d32de6273634a4563a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2991",
    "kind": "arxiv",
    "version": 1
  }
}