Pith Number

pith:4SVHVYJX

pith:2019:4SVHVYJX6UM3XJP5G6P2NQ47UJ

not attested not anchored not stored refs pending

Monitoring breast cancer response to neoadjuvant chemotherapy with ultrasound signal statistics and integrated backscatter

Hanna Piotrzkowska-Wr\'oblewska, Jerzy Litniewski, Katarzyna Dobruch-Sobczak, Katarzyna Roszkowska-Purska, Magdalena Gumowska, Piotr Karwat, Ziemowit Klimonda

arxiv:1901.03818 v1 · 2019-01-12 · 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{4SVHVYJX6UM3XJP5G6P2NQ47UJ}

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	2026-05-17T23:43:03.801486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4aa7ae137f519bba5fd379fa6c39fa262860fa419a0b8c8b9446a51f6f90cc9

Aliases

arxiv: 1901.03818 · arxiv_version: 1901.03818v1 · doi: 10.48550/arxiv.1901.03818 · pith_short_12: 4SVHVYJX6UM3 · pith_short_16: 4SVHVYJX6UM3XJP5 · pith_short_8: 4SVHVYJX

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/4SVHVYJX6UM3XJP5G6P2NQ47UJ \
  | 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: e4aa7ae137f519bba5fd379fa6c39fa262860fa419a0b8c8b9446a51f6f90cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "497a1b2bdbc230b60e5d2ba81b7ae4f65947105c42e056cc11e9c7979ea0b3ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-01-12T08:17:23Z",
    "title_canon_sha256": "163411fdc682cf97d8cb3a3d97e4f9f0fe642ecb5803bf7397d40db87cfa7e16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03818",
    "kind": "arxiv",
    "version": 1
  }
}