Pith Number

pith:VVIRXM4Z

pith:2021:VVIRXM4ZMHXRE2QM5DFAMFKFZA

not attested not anchored not stored refs pending

A General Framework for Inverse Problem Solving using Self-Supervised Deep Learning: Validations in Ultrasound and Photoacoustic Image Reconstruction

Congzhi Wang, Hongen Liao, Jianwen Luo, Jingke Zhang, Qiong He

arxiv:2110.14970 v1 · 2021-10-28 · 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{VVIRXM4ZMHXRE2QM5DFAMFKFZA}

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	2026-07-05T03:26:49.863758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad511bb39961ef126a0ce8ca061545c82d5656c9c432113b3d22871e6c0e9a53

Aliases

arxiv: 2110.14970 · arxiv_version: 2110.14970v1 · doi: 10.48550/arxiv.2110.14970 · pith_short_12: VVIRXM4ZMHXR · pith_short_16: VVIRXM4ZMHXRE2QM · pith_short_8: VVIRXM4Z

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/VVIRXM4ZMHXRE2QM5DFAMFKFZA \
  | 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: ad511bb39961ef126a0ce8ca061545c82d5656c9c432113b3d22871e6c0e9a53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45c1dab35159379da49788240c6b3809aeebdb16b9fc2c972d190c8e2f173fd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-10-28T09:17:57Z",
    "title_canon_sha256": "1b0cb87846fd43e8e02f7e852b88913af7bd8f1827ddf03d13133b27edfd59b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.14970",
    "kind": "arxiv",
    "version": 1
  }
}