Pith Number

pith:Q42RHVJO

pith:2025:Q42RHVJOSD4E5ZW3CFYRK2IHBV

not attested not anchored not stored refs pending

First-place Solution for Streetscape Shop Sign Recognition Competition

Bin Wang, Li Jing

arxiv:2501.02811 v2 · 2025-01-06 · 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{Q42RHVJOSD4E5ZW3CFYRK2IHBV}

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	2026-07-05T10:52:17.972516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

873513d52e90f84ee6db11711569070d4c8f707416bdd0b99eda5cb47bc780ee

Aliases

arxiv: 2501.02811 · arxiv_version: 2501.02811v2 · doi: 10.48550/arxiv.2501.02811 · pith_short_12: Q42RHVJOSD4E · pith_short_16: Q42RHVJOSD4E5ZW3 · pith_short_8: Q42RHVJO

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/Q42RHVJOSD4E5ZW3CFYRK2IHBV \
  | 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: 873513d52e90f84ee6db11711569070d4c8f707416bdd0b99eda5cb47bc780ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ec78108e06aad9af1e5e0123d45b2fd8e9d51cbd277966b3c2c9ae1276d8e47",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-06T07:20:36Z",
    "title_canon_sha256": "d865f32f24c46234f0c025edbb9787be04a8dd50f3b2f1a4f91ecf96d4d28bfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02811",
    "kind": "arxiv",
    "version": 2
  }
}