Pith Number

pith:B63NJV4Q

pith:2017:B63NJV4QRDUH6PIBHSSP3REQ3D

not attested not anchored not stored refs pending

A Context Aware and Video-Based Risk Descriptor for Cyclists

Beatriz Quintino Ferreira, Manuel Marques, Miguel Costa

arxiv:1704.07490 v1 · 2017-04-24 · 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{B63NJV4QRDUH6PIBHSSP3REQ3D}

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	2026-05-18T00:45:37.908177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fb6d4d79088e87f3d013ca4fdc490d8c9de4058a9ebb59e59c3046931b44102

Aliases

arxiv: 1704.07490 · arxiv_version: 1704.07490v1 · doi: 10.48550/arxiv.1704.07490 · pith_short_12: B63NJV4QRDUH · pith_short_16: B63NJV4QRDUH6PIB · pith_short_8: B63NJV4Q

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/B63NJV4QRDUH6PIBHSSP3REQ3D \
  | 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: 0fb6d4d79088e87f3d013ca4fdc490d8c9de4058a9ebb59e59c3046931b44102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37867238689cd35df541d1b60e5e8a25a6324371f18d73e354417c0ab4b2ff86",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-24T23:10:05Z",
    "title_canon_sha256": "9e18b00f24103a10b9698ccae8ad756e1dda9e9c427dc5feebfdbd6f6357ceb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07490",
    "kind": "arxiv",
    "version": 1
  }
}