Pith Number

pith:OSMUOBCD

pith:2019:OSMUOBCD2OGI67R3XFKWASZX57

not attested not anchored not stored refs pending

Feasibility of Acousto-Electric Tomography

Adrian Kirkeby, Bj{\o}rn Jensen, Kim Knudsen

arxiv:1908.04215 v2 · 2019-08-09 · physics.med-ph · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSMUOBCD2OGI67R3XFKWASZX57}

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	2026-07-05T07:39:23.847805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7499470443d38c8f7e3bb955604b37eff5d9f52d6dbbabe80c06dd11734edc12

Aliases

arxiv: 1908.04215 · arxiv_version: 1908.04215v2 · doi: 10.48550/arxiv.1908.04215 · pith_short_12: OSMUOBCD2OGI · pith_short_16: OSMUOBCD2OGI67R3 · pith_short_8: OSMUOBCD

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/OSMUOBCD2OGI67R3XFKWASZX57 \
  | 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: 7499470443d38c8f7e3bb955604b37eff5d9f52d6dbbabe80c06dd11734edc12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1c3329090cbae2681e867e833eb8718db98f7f855b0ecfd63051f37d64027a0",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-08-09T11:09:07Z",
    "title_canon_sha256": "be4766112a8d921066c678e5a18f66b717a0fa01366bd33aaad00d22c60bdd97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04215",
    "kind": "arxiv",
    "version": 2
  }
}