Pith Number

pith:KTE2ITGU

pith:2019:KTE2ITGUUZMCDUDIXR3FLXAI72

not attested not anchored not stored refs pending

Review of Cost Reduction Methods in Photoacoustic Computed Tomography

Afreen Fatima, Bin Huang, Jun Xia, Karl Kratkiewicz, Mohammad Avanaki, Mohsin Zafar, Neda Dadashzadesh, Rayyan Manwar, Ruiying Zhang

arxiv:1902.09987 v2 · 2019-02-26 · 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{KTE2ITGUUZMCDUDIXR3FLXAI72}

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	2026-05-17T23:44:42.442023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54c9a44cd4a65821d068bc7655dc08fe97729fbc1bce60e0671ebe37a71f1e10

Aliases

arxiv: 1902.09987 · arxiv_version: 1902.09987v2 · doi: 10.48550/arxiv.1902.09987 · pith_short_12: KTE2ITGUUZMC · pith_short_16: KTE2ITGUUZMCDUDI · pith_short_8: KTE2ITGU

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/KTE2ITGUUZMCDUDIXR3FLXAI72 \
  | 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: 54c9a44cd4a65821d068bc7655dc08fe97729fbc1bce60e0671ebe37a71f1e10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c24444d178c105c41d317ab4d084b70685e985f1cef888248aab0ef42f317cc0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-02-26T15:08:40Z",
    "title_canon_sha256": "5e3b883f9e4628053dcb2db4882def9481877d15ec19a2a1b39cbdc06e5d4a3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09987",
    "kind": "arxiv",
    "version": 2
  }
}