Pith Number

pith:RSMBH3Y5

pith:2015:RSMBH3Y53VHUPDBXB4OK3VTQPT

not attested not anchored not stored refs pending

Path-based Iterative Reconstruction (PBIR) for X-ray Computed Tomography

Andreas Maier, Meng Wu, Qiao Yang, Rebecca Fahrig

arxiv:1512.02318 v1 · 2015-12-08 · math.OC · physics.med-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{RSMBH3Y53VHUPDBXB4OK3VTQPT}

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	2026-05-18T01:24:45.030309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c9813ef1ddd4f478c370f1cadd6707ce85b5acc2897dab877cff7bcc91cb1a6

Aliases

arxiv: 1512.02318 · arxiv_version: 1512.02318v1 · doi: 10.48550/arxiv.1512.02318 · pith_short_12: RSMBH3Y53VHU · pith_short_16: RSMBH3Y53VHUPDBX · pith_short_8: RSMBH3Y5

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/RSMBH3Y53VHUPDBXB4OK3VTQPT \
  | 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: 8c9813ef1ddd4f478c370f1cadd6707ce85b5acc2897dab877cff7bcc91cb1a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5f88d76ce7dcf6c431fb0ff0b541e033430989b49b8bca2984e65b6c0605ea9",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-12-08T04:23:35Z",
    "title_canon_sha256": "eea2cbbaf3a7e95fb01e1ba3af4d049b08b1ecb3655f9a31e73c3d6382bc47da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02318",
    "kind": "arxiv",
    "version": 1
  }
}