Pith Number

pith:VF245NAK

pith:2018:VF245NAKONVXSMHKSVVFYCTAZ6

not attested not anchored not stored refs pending

Deep Back Projection for Sparse-View CT Reconstruction

Charles A. Bouman, Dong Hye Ye, Gregery T. Buzzard, Max Ruby

arxiv:1807.02370 v1 · 2018-07-06 · eess.IV · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VF245NAKONVXSMHKSVVFYCTAZ6}

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	2026-05-18T00:11:22.268728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a975ceb40a736b7930ea956a5c0a60cfa1a0480fa5c87de68d3bc336feb2927e

Aliases

arxiv: 1807.02370 · arxiv_version: 1807.02370v1 · doi: 10.48550/arxiv.1807.02370 · pith_short_12: VF245NAKONVX · pith_short_16: VF245NAKONVXSMHK · pith_short_8: VF245NAK

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/VF245NAKONVXSMHKSVVFYCTAZ6 \
  | 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: a975ceb40a736b7930ea956a5c0a60cfa1a0480fa5c87de68d3bc336feb2927e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fec918e7d70d688da8083b90ec59038f219a4d8b549f89b520e9e75f24f4c82",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-07-06T12:06:19Z",
    "title_canon_sha256": "1f2dac33dbcf873734c942e2f3a6b0e9963f223330735a409c95b25fc1073913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02370",
    "kind": "arxiv",
    "version": 1
  }
}