Pith Number

pith:F4PT7SMF

pith:2013:F4PT7SMFRXZB47MBCWWFQWSF3Q

not attested not anchored not stored refs pending

Tomography via Correlation of Noisy Measurement Records

Blake R. Johnson, Colm A. Ryan, Jay M. Gambetta, Jerry M. Chow, Marcus P. da Silva, Oliver E. Dial, Thomas A. Ohki

arxiv:1310.6448 v3 · 2013-10-24 · 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{F4PT7SMFRXZB47MBCWWFQWSF3Q}

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	2026-05-18T02:25:47.560394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1f3fc9858df21e7d8115ac585a45dc2bb74efbc451a79c79141b5e3664fd74

Aliases

arxiv: 1310.6448 · arxiv_version: 1310.6448v3 · doi: 10.48550/arxiv.1310.6448 · pith_short_12: F4PT7SMFRXZB · pith_short_16: F4PT7SMFRXZB47MB · pith_short_8: F4PT7SMF

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/F4PT7SMFRXZB47MBCWWFQWSF3Q \
  | 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: 2f1f3fc9858df21e7d8115ac585a45dc2bb74efbc451a79c79141b5e3664fd74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b011a1b1081d6b099e257549c9d0b3f2398c324c4b9d820ecebc346c25f763d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-24T00:59:27Z",
    "title_canon_sha256": "33dfb962d227b3a9f27870e1b2417e8f4d40f3e7c468982fb466d88aed2a4a41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6448",
    "kind": "arxiv",
    "version": 3
  }
}