Pith Number

pith:OPD7JBVM

pith:2020:OPD7JBVMVQLZUU62W5AXH3OXZ7

not attested not anchored not stored refs pending

A computationally efficient reconstruction algorithm for circular cone-beam computed tomography using shallow neural networks

Daniel M Pelt, K Joost Batenburg, Marinus J. Lagerwerf, Willem Jan Palenstijn

arxiv:2010.00421 v1 · 2020-10-01 · eess.IV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPD7JBVMVQLZUU62W5AXH3OXZ7}

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	2026-07-05T01:39:33.217852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c7f486acac179a53dab74173edd7cfecedf7100417c42c5ccb4089893cf0ad

Aliases

arxiv: 2010.00421 · arxiv_version: 2010.00421v1 · doi: 10.48550/arxiv.2010.00421 · pith_short_12: OPD7JBVMVQLZ · pith_short_16: OPD7JBVMVQLZUU62 · pith_short_8: OPD7JBVM

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/OPD7JBVMVQLZUU62W5AXH3OXZ7 \
  | 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: 73c7f486acac179a53dab74173edd7cfecedf7100417c42c5ccb4089893cf0ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aff85c7c9ed434293d195ee18783f31065c5602d89357a4b3efa68a5ec8db310",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-10-01T14:10:23Z",
    "title_canon_sha256": "7ad94b56456ac7c686094c8e5431e9578696c72f16b46d0368186541585d9915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.00421",
    "kind": "arxiv",
    "version": 1
  }
}