Pith Number

pith:UCFGVGIR

pith:2019:UCFGVGIRCLMVRRNEUIB4C7FSMX

not attested not anchored not stored refs pending

Simultaneous reconstruction of the initial pressure and sound speed in photoacoustic tomography using a deep-learning approach

Christopher Wiedeman, Ge Wang, Hongming Shan, Yang Yang

arxiv:1907.09951 v2 · 2019-07-23 · eess.IV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCFGVGIRCLMVRRNEUIB4C7FSMX}

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	2026-07-05T00:04:29.479979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a08a6a991112d958c5a4a203c17cb265f1f742ac40b2d559c9acde59b1da1c80

Aliases

arxiv: 1907.09951 · arxiv_version: 1907.09951v2 · doi: 10.48550/arxiv.1907.09951 · pith_short_12: UCFGVGIRCLMV · pith_short_16: UCFGVGIRCLMVRRNE · pith_short_8: UCFGVGIR

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/UCFGVGIRCLMVRRNEUIB4C7FSMX \
  | 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: a08a6a991112d958c5a4a203c17cb265f1f742ac40b2d559c9acde59b1da1c80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04d9a5be2f3d6e815e1825eb8952fa60d325915f60ef1dd471ed1fa706afb710",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-07-23T15:16:06Z",
    "title_canon_sha256": "e717f5a959d19b3a494a5f51a98eb0e262370396bdd83aab79b8e1f61920bba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09951",
    "kind": "arxiv",
    "version": 2
  }
}