Pith Number

pith:IFRTWBER

pith:2023:IFRTWBERNEQNURDJ4GDAJPDDP4

not attested not anchored not stored refs pending

High-resolution Power Doppler Using Null Subtraction Imaging

Matthew Lowerison, Michael L. Oelze, Pengfei Song, Qi You, Yike Wang, Zhengchang Kou

arxiv:2301.03719 v3 · 2023-01-09 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFRTWBERNEQNURDJ4GDAJPDDP4}

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	2026-07-05T08:03:41.078886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41633b04916920da4469e18604bc637f09383826371894d371454c3a4048cf13

Aliases

arxiv: 2301.03719 · arxiv_version: 2301.03719v3 · doi: 10.48550/arxiv.2301.03719 · pith_short_12: IFRTWBERNEQN · pith_short_16: IFRTWBERNEQNURDJ · pith_short_8: IFRTWBER

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/IFRTWBERNEQNURDJ4GDAJPDDP4 \
  | 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: 41633b04916920da4469e18604bc637f09383826371894d371454c3a4048cf13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4039feaed77f999fa886ec6528efc3ffd22749cf0d29253f940d3487cc2615a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-01-09T23:27:30Z",
    "title_canon_sha256": "6b7d0a5191c5485315fb362d7e1a76d84a19b71bca536d57af4aa37606d43b2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.03719",
    "kind": "arxiv",
    "version": 3
  }
}