Pith Number

pith:2PV56YEZ

pith:2023:2PV56YEZUGMS3PMY6TCK6RH4BQ

not attested not anchored not stored refs pending

Learning-based approaches for reconstructions with inexact operators in nanoCT applications

Alice Oberacker, Anne Wald, Fabian Sch\"onfeld, Johannes Leuschner, Maximilian Schmidt, Tobias Kluth, Tom L\"utjen

arxiv:2307.10474 v3 · 2023-07-19 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PV56YEZUGMS3PMY6TCK6RH4BQ}

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	2026-07-05T09:24:51.549407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3ebdf6099a1992dbd98f4c4af44fc0c14f1a497568051c7b2b83a2ce05c1582

Aliases

arxiv: 2307.10474 · arxiv_version: 2307.10474v3 · doi: 10.48550/arxiv.2307.10474 · pith_short_12: 2PV56YEZUGMS · pith_short_16: 2PV56YEZUGMS3PMY · pith_short_8: 2PV56YEZ

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/2PV56YEZUGMS3PMY6TCK6RH4BQ \
  | 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: d3ebdf6099a1992dbd98f4c4af44fc0c14f1a497568051c7b2b83a2ce05c1582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a57f0d980f2570c61a572e9ffbfd378e7939693632631c1eec062bc9a03afe1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-07-19T22:08:10Z",
    "title_canon_sha256": "9e09ffa38defdc1ecc1bd1a8d7ec06710699f21b7c2b7cbbd571671b785fa1c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.10474",
    "kind": "arxiv",
    "version": 3
  }
}