Pith Number

pith:B4ABCHDP

pith:2017:B4ABCHDPQJ3PBQ4ILZWDZ5CO6S

not attested not anchored not stored refs pending

A Framework for Directional and Higher-Order Reconstruction in Photoacoustic Tomography

Christoph Brune, Marinus J. Lagerwerf, Srirang Manohar, Stephan A. van Gils, Wiendelt Steenbergen, Yoeri E. Boink

arxiv:1707.02245 v2 · 2017-07-07 · 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{B4ABCHDPQJ3PBQ4ILZWDZ5CO6S}

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	2026-05-18T00:21:13.403640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f00111c6f8276f0c3885e6c3cf44ef49de971e828902e696e2bc8617d501d17

Aliases

arxiv: 1707.02245 · arxiv_version: 1707.02245v2 · doi: 10.48550/arxiv.1707.02245 · pith_short_12: B4ABCHDPQJ3P · pith_short_16: B4ABCHDPQJ3PBQ4I · pith_short_8: B4ABCHDP

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/B4ABCHDPQJ3PBQ4ILZWDZ5CO6S \
  | 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: 0f00111c6f8276f0c3885e6c3cf44ef49de971e828902e696e2bc8617d501d17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05cac3bc0c8056ea822b57c00e07e611eecc9c812fa32f7447db86fa106bc73c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-07T16:02:33Z",
    "title_canon_sha256": "ecd033f2cd890a5b54b729e26ff9153cfcfab6fec4cdff5a0da59415a63650ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02245",
    "kind": "arxiv",
    "version": 2
  }
}