Pith Number

pith:FIAPPTTR

pith:2019:FIAPPTTRLALZ3PL25VNBUPOBPC

not attested not anchored not stored refs pending

Annealing Approach to Quantum Tomography

Kentaro Imafuku

arxiv:1904.02443 v1 · 2019-04-04 · 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{FIAPPTTRLALZ3PL25VNBUPOBPC}

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	2026-05-17T23:49:23.663385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a00f7ce7158179dbd7aed5a1a3dc178bc6d9e804432fedbc65052a75a411eac

Aliases

arxiv: 1904.02443 · arxiv_version: 1904.02443v1 · doi: 10.48550/arxiv.1904.02443 · pith_short_12: FIAPPTTRLALZ · pith_short_16: FIAPPTTRLALZ3PL2 · pith_short_8: FIAPPTTR

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/FIAPPTTRLALZ3PL25VNBUPOBPC \
  | 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: 2a00f7ce7158179dbd7aed5a1a3dc178bc6d9e804432fedbc65052a75a411eac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1921dc286c439646081ff11b07b2c589c0968d0676e41a16765f56f9e529e57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-04T10:02:42Z",
    "title_canon_sha256": "5005c4c5db9046c336a0f010069a1593baf676b634bb53335ce908cc9784ebc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02443",
    "kind": "arxiv",
    "version": 1
  }
}