Pith Number

pith:TOTQPKIR

pith:2013:TOTQPKIRK66MT3AEBX2GWD7AZL

not attested not anchored not stored refs pending

State estimation: direct state measurement vs. tomography

Cosimo C. Rusconi, Lorenzo Maccone

arxiv:1310.6206 v1 · 2013-10-23 · 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{TOTQPKIRK66MT3AEBX2GWD7AZL}

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	2026-05-18T02:48:37.214360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ba707a91157bcc9ec040df46b0fe0cafa53b7915a7eb9d665d9a00fc251f034

Aliases

arxiv: 1310.6206 · arxiv_version: 1310.6206v1 · doi: 10.48550/arxiv.1310.6206 · pith_short_12: TOTQPKIRK66M · pith_short_16: TOTQPKIRK66MT3AE · pith_short_8: TOTQPKIR

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/TOTQPKIRK66MT3AEBX2GWD7AZL \
  | 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: 9ba707a91157bcc9ec040df46b0fe0cafa53b7915a7eb9d665d9a00fc251f034

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce8b76515bb682e478c09dd708d6a6eebb6d439f48749f69416dee1d7a6a7909",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-23T12:37:01Z",
    "title_canon_sha256": "e6fc38f895202f94df536cb2aff482cc4d32e79a52dd85b817d644ab9cb1891e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6206",
    "kind": "arxiv",
    "version": 1
  }
}