Pith Number

pith:3B6ZDSY3

pith:2020:3B6ZDSY3RPTLY2TENQURVXGL4T

not attested not anchored not stored refs pending

Accelerating Road Sign Ground Truth Construction with Knowledge Graph and Machine Learning

Cory Henson, Ji Eun Kim, Kevin Huang, Tuan A. Tran, Wan-Yi Lin

arxiv:2012.02672 v1 · 2020-12-04 · cs.AI · 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{3B6ZDSY3RPTLY2TENQURVXGL4T}

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	2026-07-05T01:57:09.077131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d87d91cb1b8be6bc6a646c291adccbe4d01aa89b34df72e7d91fba0c319c94e4

Aliases

arxiv: 2012.02672 · arxiv_version: 2012.02672v1 · doi: 10.48550/arxiv.2012.02672 · pith_short_12: 3B6ZDSY3RPTL · pith_short_16: 3B6ZDSY3RPTLY2TE · pith_short_8: 3B6ZDSY3

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/3B6ZDSY3RPTLY2TENQURVXGL4T \
  | 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: d87d91cb1b8be6bc6a646c291adccbe4d01aa89b34df72e7d91fba0c319c94e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27ef5e2105c39eae0368dc98ed60f9fb5fc91eb31ba161fedc6618009bc65908",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-12-04T15:42:08Z",
    "title_canon_sha256": "f5bc2fe5467fd0f003e687f4bb8e531e3754b0efa9605c650267971247af44e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.02672",
    "kind": "arxiv",
    "version": 1
  }
}