Pith Number

pith:TWDPIBWD

pith:2019:TWDPIBWDF4GMJ6NHJ4QSXUFZSK

not attested not anchored not stored refs pending

Resolving Overlapping Convex Objects in Silhouette Images by Concavity Analysis and Gaussian Process

Heikki Haario, Heikki K\"alvi\"ainen, Jouni Sampo, Mariia Murashkina, Sahar Zafari, Tuomas Eerola

arxiv:1906.01049 v1 · 2019-06-03 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWDPIBWDF4GMJ6NHJ4QSXUFZSK}

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	2026-05-17T23:44:17.990782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d86f406c32f0cc4f9a74f212bd0b992afac1060166a456ee31c3944ba5771b9

Aliases

arxiv: 1906.01049 · arxiv_version: 1906.01049v1 · doi: 10.48550/arxiv.1906.01049 · pith_short_12: TWDPIBWDF4GM · pith_short_16: TWDPIBWDF4GMJ6NH · pith_short_8: TWDPIBWD

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/TWDPIBWDF4GMJ6NHJ4QSXUFZSK \
  | 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: 9d86f406c32f0cc4f9a74f212bd0b992afac1060166a456ee31c3944ba5771b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0ba5110ac8b1570a18ace0124eca696b951dd973def5fec8656a2217412e202",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-03T19:55:26Z",
    "title_canon_sha256": "543d4fad8e7e17769e111b50f3f18f76ff36d0535516e415adc631c4e1046229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01049",
    "kind": "arxiv",
    "version": 1
  }
}