Pith Number

pith:KHIFPRII

pith:2021:KHIFPRII3EXO37QVQAYLW4DQ2G

not attested not anchored not stored refs pending

Heuristics2Annotate: Efficient Annotation of Large-Scale Marathon Dataset For Bounding Box Regression

Jan van Gemert, Pranjal Singh Rajput, Yeshwanth Napolean

arxiv:2104.02749 v1 · 2021-04-06 · 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{KHIFPRII3EXO37QVQAYLW4DQ2G}

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	2026-07-05T02:29:59.031525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51d057c508d92eedfe158030bb7070d1becbf545300db7df3cd26178ef3a11b8

Aliases

arxiv: 2104.02749 · arxiv_version: 2104.02749v1 · doi: 10.48550/arxiv.2104.02749 · pith_short_12: KHIFPRII3EXO · pith_short_16: KHIFPRII3EXO37QV · pith_short_8: KHIFPRII

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/KHIFPRII3EXO37QVQAYLW4DQ2G \
  | 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: 51d057c508d92eedfe158030bb7070d1becbf545300db7df3cd26178ef3a11b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb4b2ef47520341ada5f42fa4a6de549343de132d68f5632eba6264169ec4d08",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-06T19:08:31Z",
    "title_canon_sha256": "a1ffa97f75c78b60db4e61724cf167019241fd662fbf029d89146b0d74d6b240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02749",
    "kind": "arxiv",
    "version": 1
  }
}