Pith Number

pith:5ETJE22I

pith:2015:5ETJE22IPIST3XBBHD4RDN7UFA

not attested not anchored not stored refs pending

Tomographic Image Reconstruction using Training images

Martin S. Andersen, Per Christian Hansen, Sara Soltani

arxiv:1503.01993 v2 · 2015-03-06 · cs.CV · math.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{5ETJE22IPIST3XBBHD4RDN7UFA}

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	2026-05-18T01:35:16.126053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e926926b487a253ddc2138f911b7f4283f84bd70684d822800c8feef717a222e

Aliases

arxiv: 1503.01993 · arxiv_version: 1503.01993v2 · doi: 10.48550/arxiv.1503.01993 · pith_short_12: 5ETJE22IPIST · pith_short_16: 5ETJE22IPIST3XBB · pith_short_8: 5ETJE22I

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/5ETJE22IPIST3XBBHD4RDN7UFA \
  | 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: e926926b487a253ddc2138f911b7f4283f84bd70684d822800c8feef717a222e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf688d111eb73d75c10fb1a54b8478ff4245ad9f13a78ef1f47f1c5bf64b9b9c",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-03-06T15:47:45Z",
    "title_canon_sha256": "4c09678596608ec6f71a16feac66dabff3ad65efc9a1b3b1ed85fd8f35a05000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01993",
    "kind": "arxiv",
    "version": 2
  }
}