Pith Number

pith:XAYFVYDN

pith:2021:XAYFVYDNYCFARTAZG4APPVENZK

not attested not anchored not stored refs pending

Learning Maritime Obstacle Detection from Weak Annotations by Scaffolding

Lojze \v{Z}ust, Matej Kristan

arxiv:2108.00564 v1 · 2021-08-01 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XAYFVYDNYCFARTAZG4APPVENZK}

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	2026-07-05T03:02:24.539794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8305ae06dc08a08cc193700f7d48dcab6f2cab6a6e91c9574857c81a0d48cfb

Aliases

arxiv: 2108.00564 · arxiv_version: 2108.00564v1 · doi: 10.48550/arxiv.2108.00564 · pith_short_12: XAYFVYDNYCFA · pith_short_16: XAYFVYDNYCFARTAZ · pith_short_8: XAYFVYDN

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/XAYFVYDNYCFARTAZG4APPVENZK \
  | 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: b8305ae06dc08a08cc193700f7d48dcab6f2cab6a6e91c9574857c81a0d48cfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7846598289ba59cbbe76af5e5683bd8aa14218e9a8d8daf5e35cd849236cec70",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-01T23:37:57Z",
    "title_canon_sha256": "63dfc2cc6d17ff754dd220f78b1f2ab28adf49a58422008d79b8c6884f45c257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.00564",
    "kind": "arxiv",
    "version": 1
  }
}