Pith Number

pith:PAI2XMY4

pith:2026:PAI2XMY4DOID3HY73I3ZLP6TKX

not attested not anchored not stored refs pending

Quantitative Multi-Modal Optical Coherence Photoacoustic Elastography

Ekaterina Sherina, Lisa Krainz, Otmar Scherzer, Wolfgang Drexler

arxiv:2606.18990 v1 · 2026-06-17 · physics.med-ph · cs.NA · 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{PAI2XMY4DOID3HY73I3ZLP6TKX}

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	2026-06-19T16:11:53.957772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7811abb31c1b903d9f1fda3795bfd355f09d205d3997c2fabb834286e29feccf

Aliases

arxiv: 2606.18990 · arxiv_version: 2606.18990v1 · doi: 10.48550/arxiv.2606.18990 · pith_short_12: PAI2XMY4DOID · pith_short_16: PAI2XMY4DOID3HY7 · pith_short_8: PAI2XMY4

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/PAI2XMY4DOID3HY73I3ZLP6TKX \
  | 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: 7811abb31c1b903d9f1fda3795bfd355f09d205d3997c2fabb834286e29feccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb27d386401ad8708e510159e8ba4e8b32568b2fbb72a64faf0d8297b68b6524",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2026-06-17T12:12:11Z",
    "title_canon_sha256": "56fe8968e4ab67de7121aa71471136ec7b40d5e31cc66598aff47ce16f31584d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18990",
    "kind": "arxiv",
    "version": 1
  }
}