Pith Number

pith:SBJG7Y7D

pith:2014:SBJG7Y7DYUHPMNERNPZJGYR5JJ

not attested not anchored not stored refs pending

Waveform Inversion with Source Encoding for Breast Sound Speed Reconstruction in Ultrasound Computed Tomography

Cuiping Li, Fatima Anis, Kun Wang, Mark A. Anastasio, Neb Duric, Thomas Matthews

arxiv:1501.00021 v1 · 2014-12-30 · 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{SBJG7Y7DYUHPMNERNPZJGYR5JJ}

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	2026-05-18T02:30:15.006271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90526fe3e3c50ef634916bf293623d4a77da9ad84f59f551659c9f260cb2631e

Aliases

arxiv: 1501.00021 · arxiv_version: 1501.00021v1 · doi: 10.48550/arxiv.1501.00021 · pith_short_12: SBJG7Y7DYUHP · pith_short_16: SBJG7Y7DYUHPMNER · pith_short_8: SBJG7Y7D

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/SBJG7Y7DYUHPMNERNPZJGYR5JJ \
  | 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: 90526fe3e3c50ef634916bf293623d4a77da9ad84f59f551659c9f260cb2631e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5d77f9a7ae6c7a66b4974eca72f4fd15a4d2913f5e00135237536160ba5bc3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2014-12-30T21:17:59Z",
    "title_canon_sha256": "59937d0db6bdf11ad1673e6af86d6e5b9b688d9456f64887bfa9271f44c69433"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00021",
    "kind": "arxiv",
    "version": 1
  }
}