Pith Number

pith:JAW5TFE5

pith:2021:JAW5TFE5WZF7TADXMAPGTO2E6L

not attested not anchored not stored refs pending

Photoacoustic digital brain: numerical modelling and image reconstruction via deep learning

Changchun Yang, Fei Gao, Feng Gao, Jiadong Zhang, Tengbo Lyu, Zijian Gao

arxiv:2109.09127 v1 · 2021-09-19 · physics.med-ph · 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{JAW5TFE5WZF7TADXMAPGTO2E6L}

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	2026-07-05T03:15:42.002447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

482dd9949db64bf98077601e69bb44f2fe4804c48c9d8f65f0761d3fa4b302f5

Aliases

arxiv: 2109.09127 · arxiv_version: 2109.09127v1 · doi: 10.48550/arxiv.2109.09127 · pith_short_12: JAW5TFE5WZF7 · pith_short_16: JAW5TFE5WZF7TADX · pith_short_8: JAW5TFE5

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/JAW5TFE5WZF7TADXMAPGTO2E6L \
  | 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: 482dd9949db64bf98077601e69bb44f2fe4804c48c9d8f65f0761d3fa4b302f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dc6e1303190fb5f6eabbcd4c44503ebe4b05f32913e0b534375eb86d3f0f4ca",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-09-19T14:08:52Z",
    "title_canon_sha256": "aab6f3bb1c7c69a8c77db0738a71db2f3ce3217cee060491e8c65fdd1e037aa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09127",
    "kind": "arxiv",
    "version": 1
  }
}