Pith Number

pith:DBFA4AWY

pith:2020:DBFA4AWYUEMRDAKJSXAUAHOXAR

not attested not anchored not stored refs pending

Deep learning for photoacoustic imaging: a survey

Changchun Yang, Fei Gao, Feng Gao, Hengrong Lan

arxiv:2008.04221 v4 · 2020-08-10 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBFA4AWYUEMRDAKJSXAUAHOXAR}

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	2026-07-05T01:56:31.028756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

184a0e02d8a11911814995c1401dd7045c9f1a25bfef0d0ff5539b704491b155

Aliases

arxiv: 2008.04221 · arxiv_version: 2008.04221v4 · doi: 10.48550/arxiv.2008.04221 · pith_short_12: DBFA4AWYUEMR · pith_short_16: DBFA4AWYUEMRDAKJ · pith_short_8: DBFA4AWY

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/DBFA4AWYUEMRDAKJSXAUAHOXAR \
  | 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: 184a0e02d8a11911814995c1401dd7045c9f1a25bfef0d0ff5539b704491b155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6192beeaf5f1a4b6fcd8c610e0a590b40b9ccc62cd4b8753e079525a8515bb3e",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-08-10T15:53:30Z",
    "title_canon_sha256": "48d77c55261cf0c217b8e28cb03f66faba8876849e584b1fc7ab88aabcc2e775"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.04221",
    "kind": "arxiv",
    "version": 4
  }
}