Pith Number

pith:BIQ63Y3P

pith:2020:BIQ63Y3PATDR3SLNALRFUMHJCM

not attested not anchored not stored refs pending

Ultrasound Scatterer Density Classification Using Convolutional Neural Networks by Exploiting Patch Statistics

Ali K. Z. Tehrani, Hassan Rivaz, Ivan M. Rosado-Mendez, Mina Amiri, Timothy J. Hall

arxiv:2012.02738 v1 · 2020-12-04 · eess.IV · cs.CV · 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{BIQ63Y3PATDR3SLNALRFUMHJCM}

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	2026-07-05T09:27:49.133904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a21ede36f04c71dc96d02e25a30e9133c9ec3ee67e04d69ab1b16a1a12638cf

Aliases

arxiv: 2012.02738 · arxiv_version: 2012.02738v1 · doi: 10.48550/arxiv.2012.02738 · pith_short_12: BIQ63Y3PATDR · pith_short_16: BIQ63Y3PATDR3SLN · pith_short_8: BIQ63Y3P

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/BIQ63Y3PATDR3SLNALRFUMHJCM \
  | 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: 0a21ede36f04c71dc96d02e25a30e9133c9ec3ee67e04d69ab1b16a1a12638cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6d491f5926928b603c28aa2d599e25e13cedbf7f3a4be88105d4f37122ab937",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-12-04T17:36:57Z",
    "title_canon_sha256": "4bf0fbdfd98dcb538974aea7d7f2fe0bde55c1cf0b3756a209dd8a10a3be1e82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.02738",
    "kind": "arxiv",
    "version": 1
  }
}