Pith Number

pith:UDF3FFFE

pith:2026:UDF3FFFEWUAQCA7TAIBRMVSPEU

not attested not anchored not stored refs pending

Physics-informed neural networks for quantitative assessment of cancellous bone microstructure from photoacoustic signals

Haohan Sun, Qian Cheng, Shibo Nie, Shiying Wu, Shoukun Lyu, Weiya Xie, Ya Gao, Ying Gu

arxiv:2605.21017 v1 · 2026-05-20 · 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{UDF3FFFEWUAQCA7TAIBRMVSPEU}

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	2026-05-21T01:05:32.566663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0cbb294a4b5010103f3020316564f250df5691f43ad7b0910aec2e5d174d7e6

Aliases

arxiv: 2605.21017 · arxiv_version: 2605.21017v1 · doi: 10.48550/arxiv.2605.21017 · pith_short_12: UDF3FFFEWUAQ · pith_short_16: UDF3FFFEWUAQCA7T · pith_short_8: UDF3FFFE

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/UDF3FFFEWUAQCA7TAIBRMVSPEU \
  | 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: a0cbb294a4b5010103f3020316564f250df5691f43ad7b0910aec2e5d174d7e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6925d916955a502316e12360536eefed3d6b219158782c73c0f340c949885e46",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2026-05-20T10:50:33Z",
    "title_canon_sha256": "bb0eb67d39acd00e9ec7019262056d9255d97f7ed01dfd891bcd64f212b600ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21017",
    "kind": "arxiv",
    "version": 1
  }
}