Pith Number

pith:QW27MOB2

pith:2025:QW27MOB2SAYBFDUT3OEUB2WTIR

not attested not anchored not stored refs pending

Mcity Data Engine: Iterative Model Improvement Through Open-Vocabulary Data Selection

Abeyankar Giridharan, Daniel Bogdoll, Gregory Stevens, Henry X. Liu, Isabel Moore, Rajanikant Patnaik Ananta

arxiv:2504.21614 v2 · 2025-04-30 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QW27MOB2SAYBFDUT3OEUB2WTIR}

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.

Cited by

1 paper in Pith

A Domain-Specific Language for LLM-Driven Trigger Generation in Multimodal Data Collection

Receipt and verification

First computed	2026-06-08T01:03:44.198195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b5f6383a9030128e93db8940ead34454c289603a4403ebe3e55080742cf056

Aliases

arxiv: 2504.21614 · arxiv_version: 2504.21614v2 · doi: 10.48550/arxiv.2504.21614 · pith_short_12: QW27MOB2SAYB · pith_short_16: QW27MOB2SAYBFDUT · pith_short_8: QW27MOB2

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/QW27MOB2SAYBFDUT3OEUB2WTIR \
  | 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: 85b5f6383a9030128e93db8940ead34454c289603a4403ebe3e55080742cf056

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d57439be8692a8d01afa446428cf79987e57721a239217a27f54c7820533e81",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-30T13:10:59Z",
    "title_canon_sha256": "3262e2b74fb8b26a3cd53ea7f6e2e6025f23ba77b6da3f761f7a64f4c7a64327"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21614",
    "kind": "arxiv",
    "version": 2
  }
}