Pith Number

pith:SA6LD7X5

pith:2014:SA6LD7X5RVAKYFO7J3WOJLANHE

not attested not anchored not stored refs pending

Photoacoustics meets ultrasound: micro-Doppler photoacoustic effect and detection by ultrasound

Claus-Dieter Ohl, Fei Gao, Xiaohua Feng, Yuanjin Zheng

arxiv:1412.7262 v1 · 2014-12-23 · physics.optics · physics.ins-det · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SA6LD7X5RVAKYFO7J3WOJLANHE}

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	2026-05-18T01:22:14.780841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

903cb1fefd8d40ac15df4eece4ac0d390db0e51336c3c8c59ffb1a4c32440a02

Aliases

arxiv: 1412.7262 · arxiv_version: 1412.7262v1 · doi: 10.48550/arxiv.1412.7262 · pith_short_12: SA6LD7X5RVAK · pith_short_16: SA6LD7X5RVAKYFO7 · pith_short_8: SA6LD7X5

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/SA6LD7X5RVAKYFO7J3WOJLANHE \
  | 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: 903cb1fefd8d40ac15df4eece4ac0d390db0e51336c3c8c59ffb1a4c32440a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e40b35dc0c0f38fbc5de4337e05b962b87b963d6c65d9de48d2e2ee1171b3e5b",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-12-23T06:24:38Z",
    "title_canon_sha256": "01d8b0759cd9bf70da7e09c9d82468435264fe66fbaa759a28453ee3fc028255"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7262",
    "kind": "arxiv",
    "version": 1
  }
}