Pith Number

pith:VBBTH4MD

pith:2021:VBBTH4MDXRVZKK2WCAAYHA3WEA

not attested not anchored not stored refs pending

Anisotropic mesh adaptation for region-based segmentation accounting for image spatial information

Matteo Giacomini, Simona Perotto

arxiv:2112.10138 v2 · 2021-12-19 · math.NA · cs.CV · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBBTH4MDXRVZKK2WCAAYHA3WEA}

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	2026-07-05T04:40:00.907205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a84333f183bc6b952b561001838376201f70062124b7ec68c5b530836008a047

Aliases

arxiv: 2112.10138 · arxiv_version: 2112.10138v2 · doi: 10.48550/arxiv.2112.10138 · pith_short_12: VBBTH4MDXRVZ · pith_short_16: VBBTH4MDXRVZKK2W · pith_short_8: VBBTH4MD

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/VBBTH4MDXRVZKK2WCAAYHA3WEA \
  | 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: a84333f183bc6b952b561001838376201f70062124b7ec68c5b530836008a047

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12fc7bd438a03bb5889d3067a4f19e7fedd90f227d581a269d98bee52ea7d96c",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-12-19T12:54:03Z",
    "title_canon_sha256": "228c56e814c5f7438b2f47ea2ea70a39f56a873f0fd8482d34eefa0d97925ce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10138",
    "kind": "arxiv",
    "version": 2
  }
}