pith. sign in
Pith Number

pith:PDCBA2HE

pith:2015:PDCBA2HEXAV62RKLPWFU7MMLKH
not attested not anchored not stored refs pending

Computational Realization of a Non-Equidistant Grid Sampling in Photoacoustics with a Non-Uniform FFT

Behrooz Zabihian, Julian Schmid, Mengyang Liu, Otmar Scherzer, Thomas Glatz, Wolfgang Drexler

arxiv:1501.02946 v1 · 2015-01-13 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PDCBA2HEXAV62RKLPWFU7MMLKH}

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 2026-05-18T02:29:30.866539Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

78c41068e4b82bed454b7d8b4fb18b51c68d07dabaf40b2bef4d9119d48a2cca

Aliases

arxiv: 1501.02946 · arxiv_version: 1501.02946v1 · doi: 10.48550/arxiv.1501.02946 · pith_short_12: PDCBA2HEXAV6 · pith_short_16: PDCBA2HEXAV62RKL · pith_short_8: PDCBA2HE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PDCBA2HEXAV62RKLPWFU7MMLKH \
  | 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: 78c41068e4b82bed454b7d8b4fb18b51c68d07dabaf40b2bef4d9119d48a2cca
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "535cc1329883a9e47d2671c06135da9e5f23b3176d7991725bdc25864f3fbd4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-01-13T10:33:19Z",
    "title_canon_sha256": "a9b99e0bd1e699b40d49060dd5f4658688bb501e95d1ce3c0e23d63abe51a51c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02946",
    "kind": "arxiv",
    "version": 1
  }
}