Pith Number

pith:XQB42TJI

pith:2017:XQB42TJI4BQMXVQDTC655GETMP

not attested not anchored not stored refs pending

Epsilon-shapes: characterizing, detecting and thickening thin features in geometric models

Daniela Cabiddu, Marco Attene

arxiv:1704.08049 v2 · 2017-04-26 · cs.CG · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQB42TJI4BQMXVQDTC655GETMP}

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	2026-05-18T00:26:37.128595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc03cd4d28e060cbd60398bdde989363f2dce3c2ddca83c4fdc1ef426428172f

Aliases

arxiv: 1704.08049 · arxiv_version: 1704.08049v2 · doi: 10.48550/arxiv.1704.08049 · pith_short_12: XQB42TJI4BQM · pith_short_16: XQB42TJI4BQMXVQD · pith_short_8: XQB42TJI

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/XQB42TJI4BQMXVQDTC655GETMP \
  | 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: bc03cd4d28e060cbd60398bdde989363f2dce3c2ddca83c4fdc1ef426428172f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c47a2a7896b6c9bc903c4857328db7b26ca6b291deca9832dc20a7d34eb33674",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-04-26T10:33:15Z",
    "title_canon_sha256": "af13ee8634c2ce10d16ff46ee9722fa050a233cd050c4d12b9f88e22b9b52134"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08049",
    "kind": "arxiv",
    "version": 2
  }
}