Pith Number

pith:LINR7CYI

pith:2016:LINR7CYI6KNXL254I7RWCPLQBJ

not attested not anchored not stored refs pending

A Multi-Grid Iterative Method for Photoacoustic Tomography

Ashkan Javaherian, Sean Holman

arxiv:1603.02329 v4 · 2016-03-07 · 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{LINR7CYI6KNXL254I7RWCPLQBJ}

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	2026-05-18T00:57:37.998823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a1b1f8b08f29b75ebbc47e3613d700a7c890e1fd7cbfbb8f1a2723be71ffed0

Aliases

arxiv: 1603.02329 · arxiv_version: 1603.02329v4 · doi: 10.48550/arxiv.1603.02329 · pith_short_12: LINR7CYI6KNX · pith_short_16: LINR7CYI6KNXL254 · pith_short_8: LINR7CYI

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/LINR7CYI6KNXL254I7RWCPLQBJ \
  | 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: 5a1b1f8b08f29b75ebbc47e3613d700a7c890e1fd7cbfbb8f1a2723be71ffed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67a8b608aaf5912a7bbed110a5976747e09ff0d64b6201f430af3719bee8dcdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-03-07T22:37:19Z",
    "title_canon_sha256": "8e685d8e4719505582fdb7aa37628adaf83a8088ede481dd871f5c313a259915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02329",
    "kind": "arxiv",
    "version": 4
  }
}