Pith Number

pith:CRCPFPMO

pith:2023:CRCPFPMO4TVJE4YQDSDEPJWLOH

not attested not anchored not stored refs pending

Freespace Optical Flow Modeling for Automated Driving

Jiayuan Du, Qijun Chen, Ruge Zhang, Rui Fan, Yi Feng

arxiv:2307.15989 v2 · 2023-07-29 · cs.RO · 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{CRCPFPMO4TVJE4YQDSDEPJWLOH}

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	2026-07-05T06:37:15.818785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1444f2bd8ee4ea9273101c8647a6cb71d6f69da9a5b60f6970bb030b2f14fe29

Aliases

arxiv: 2307.15989 · arxiv_version: 2307.15989v2 · doi: 10.48550/arxiv.2307.15989 · pith_short_12: CRCPFPMO4TVJ · pith_short_16: CRCPFPMO4TVJE4YQ · pith_short_8: CRCPFPMO

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/CRCPFPMO4TVJE4YQDSDEPJWLOH \
  | 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: 1444f2bd8ee4ea9273101c8647a6cb71d6f69da9a5b60f6970bb030b2f14fe29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "300e0763f9a01c6ad6589b547ba47bb1af20984caf6e6e32cc5498f7fc65ab99",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2023-07-29T13:49:48Z",
    "title_canon_sha256": "e750b31812221148a8b2b849bbece51fceb970157660c19eca1a2e27895f664d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.15989",
    "kind": "arxiv",
    "version": 2
  }
}