Pith Number

pith:T7HKDHAU

pith:2012:T7HKDHAUSLRN3DKELZBYHKTKUG

not attested not anchored not stored refs pending

A simple Fourier transform-based reconstruction formula for photoacoustic computed tomography with a circular or spherical measurement geometry

Kun Wang, Mark A. Anastasio

arxiv:1208.2262 v4 · 2012-08-10 · math.AP · 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{T7HKDHAUSLRN3DKELZBYHKTKUG}

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	2026-05-18T01:55:16.752830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fcea19c1492e2dd8d445e4383aa6aa18dec9ebb835815c1ae292217e779382f

Aliases

arxiv: 1208.2262 · arxiv_version: 1208.2262v4 · doi: 10.48550/arxiv.1208.2262 · pith_short_12: T7HKDHAUSLRN · pith_short_16: T7HKDHAUSLRN3DKE · pith_short_8: T7HKDHAU

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/T7HKDHAUSLRN3DKELZBYHKTKUG \
  | 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: 9fcea19c1492e2dd8d445e4383aa6aa18dec9ebb835815c1ae292217e779382f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662c71c9469c22fb796792f5d1042fe5343cc0e96a5e3f9714860a1eb51b8123",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-08-10T19:47:43Z",
    "title_canon_sha256": "943c5a5eca01ce55a2d07dcc5b63fa85e9f6570f1a31caafc224ffa70ce1d027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2262",
    "kind": "arxiv",
    "version": 4
  }
}