Pith Number

pith:N4WQUIBO

pith:2009:N4WQUIBONP5H7RJGHEAJ7ROYKD

not attested not anchored not stored refs pending

A New Multiscale Representation for Shapes and Its Application to Blood Vessel Recovery

Aichi Chien, Bin Dong, Stanley Osher, Zuowei Shen

arxiv:0905.2224 v3 · 2009-05-14 · math.AP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4WQUIBONP5H7RJGHEAJ7ROYKD}

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	2026-05-18T03:57:27.106339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f2d0a202e6bfa7fc52639009fc5d850f139aff6da547e161427b26cd9f3e13c

Aliases

arxiv: 0905.2224 · arxiv_version: 0905.2224v3 · doi: 10.48550/arxiv.0905.2224 · pith_short_12: N4WQUIBONP5H · pith_short_16: N4WQUIBONP5H7RJG · pith_short_8: N4WQUIBO

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/N4WQUIBONP5H7RJGHEAJ7ROYKD \
  | 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: 6f2d0a202e6bfa7fc52639009fc5d850f139aff6da547e161427b26cd9f3e13c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b5688e9d78dafc52a4ca84c2ee66683296d50baf16ac17b946b1248069bac35",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-05-14T00:14:28Z",
    "title_canon_sha256": "71966b42c4ae10f4c5b0c4e99fb6bf5d3a46d2af44ae62283f8c18e6c1731930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2224",
    "kind": "arxiv",
    "version": 3
  }
}