Pith Number

pith:SUYSDN73

pith:2008:SUYSDN73HQ2B3WDGUW6P7MBEGF

not attested not anchored not stored refs pending

A Reconstruction Algorithm for Photoacoustic Imaging based on the Nonuniform FFT

G. Zangerl, M. Haltmeier, O. Scherzer

arxiv:0808.3510 v2 · 2008-08-26 · 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{SUYSDN73HQ2B3WDGUW6P7MBEGF}

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	2026-05-18T00:58:25.434300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

953121b7fb3c341dd866a5bcffb024317884cf91aee3a6a9ad5f6abb615563f0

Aliases

arxiv: 0808.3510 · arxiv_version: 0808.3510v2 · doi: 10.48550/arxiv.0808.3510 · pith_short_12: SUYSDN73HQ2B · pith_short_16: SUYSDN73HQ2B3WDG · pith_short_8: SUYSDN73

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/SUYSDN73HQ2B3WDGUW6P7MBEGF \
  | 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: 953121b7fb3c341dd866a5bcffb024317884cf91aee3a6a9ad5f6abb615563f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "577078737a8136e42fdd281179e4754b90e21cd53b89f7db4f66584514686e3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-08-26T17:53:12Z",
    "title_canon_sha256": "2a1ad9c6e3fc148265080d9303ed9a2384dc32a2e48921fbd0c853c221b3ab73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3510",
    "kind": "arxiv",
    "version": 2
  }
}