Pith Number

pith:4TBOWATV

pith:2019:4TBOWATVLPWX6E3FQ52LIO65YU

not attested not anchored not stored refs pending

Arbitrarily large iterative tomographic reconstruction on multiple GPUs using the TIGRE toolbox

Ander Biguri, Hans Deyhle, Hossein Towsyfyan, Manjit Dosanjh, Mark Mavrogordato, Reuben Lindroos, Richard Boardman, Robert Bryll, Steven Hancock, Thomas Blumensath

arxiv:1905.03748 v1 · 2019-05-08 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TBOWATVLPWX6E3FQ52LIO65YU}

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	2026-05-17T23:46:36.776099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c2eb02755bed7f13658774b43bddc508df7f9057e092f1ab223a910484ab54

Aliases

arxiv: 1905.03748 · arxiv_version: 1905.03748v1 · doi: 10.48550/arxiv.1905.03748 · pith_short_12: 4TBOWATVLPWX · pith_short_16: 4TBOWATVLPWX6E3F · pith_short_8: 4TBOWATV

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/4TBOWATVLPWX6E3FQ52LIO65YU \
  | 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: e4c2eb02755bed7f13658774b43bddc508df7f9057e092f1ab223a910484ab54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85bd8f2c1f642dede183490cc21160a3a23a5624f39f295d84a3281123f6958e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-05-08T14:51:16Z",
    "title_canon_sha256": "3e2d19447be8649d1e4fa4e582c7daeda50d04e2181551956fb1b6a28d6ae7da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03748",
    "kind": "arxiv",
    "version": 1
  }
}