Pith Number

pith:3TFN4CUG

pith:2011:3TFN4CUGBRGJULJSL2DHBQUASR

not attested not anchored not stored refs pending

Fast multi-scale edge-detection in medical ultrasound signals

Preben Gr{\aa}berg Nes

arxiv:1107.5186 v1 · 2011-07-26 · cs.CV · 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{3TFN4CUGBRGJULJSL2DHBQUASR}

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	2026-05-18T04:16:52.791525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dccade0a860c4c9a2d325e8670c280945ca3c36624ee128361b554a7558b5839

Aliases

arxiv: 1107.5186 · arxiv_version: 1107.5186v1 · doi: 10.48550/arxiv.1107.5186 · pith_short_12: 3TFN4CUGBRGJ · pith_short_16: 3TFN4CUGBRGJULJS · pith_short_8: 3TFN4CUG

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/3TFN4CUGBRGJULJSL2DHBQUASR \
  | 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: dccade0a860c4c9a2d325e8670c280945ca3c36624ee128361b554a7558b5839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99d8daa236d53cd8e438934dc4edcfba2a7de278195c44ab90501ee183dc4065",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-07-26T11:59:40Z",
    "title_canon_sha256": "6fe0fec453f1bb9129a7a04e760ddad4c1ec09cc7466337dcae95e7444c06795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5186",
    "kind": "arxiv",
    "version": 1
  }
}