Pith Number

pith:OJ76QV5F

pith:2007:OJ76QV5F2FWUJLGBQ3QJ4J5D4K

not attested not anchored not stored refs pending

Uniqueness of reconstruction and an inversion procedure for thermoacoustic and photoacoustic tomography

Mark Agranovsky, Peter Kuchment

arxiv:0706.0598 v1 · 2007-06-05 · math.NA · cs.NA · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJ76QV5F2FWUJLGBQ3QJ4J5D4K}

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	2026-06-03T22:06:01.124770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

727fe857a5d16d44acc186e09e27a3e2b7b1b90b9da5adfe104871d301160aff

Aliases

arxiv: 0706.0598 · arxiv_version: 0706.0598v1 · doi: 10.48550/arxiv.0706.0598 · pith_short_12: OJ76QV5F2FWU · pith_short_16: OJ76QV5F2FWUJLGB · pith_short_8: OJ76QV5F

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/OJ76QV5F2FWUJLGBQ3QJ4J5D4K \
  | 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: 727fe857a5d16d44acc186e09e27a3e2b7b1b90b9da5adfe104871d301160aff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "024eda3e35f00d4ef62df115ac7943f938623a12dfcaed9e46c075a994865150",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-06-05T08:24:41Z",
    "title_canon_sha256": "9f01e43f1a462735ea67a11c8be0dcbea03c092bbc6a4330925892477e1468ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.0598",
    "kind": "arxiv",
    "version": 1
  }
}