Pith Number

pith:B4OR3VWX

pith:2025:B4OR3VWXVZDZQVW4KNG7HPOSD5

not attested not anchored not stored refs pending

Motion Segmentation and Egomotion Estimation from Event-Based Normal Flow

Cornelia Ferm\"uller, Dehao Yuan, Zhiyuan Hua

arxiv:2507.14500 v1 · 2025-07-19 · cs.CV · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4OR3VWXVZDZQVW4KNG7HPOSD5}

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	2026-07-05T11:40:08.339682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f1d1dd6d7ae479856dc534df3bdd21f7a302129e383aaaca77f072176a88a88

Aliases

arxiv: 2507.14500 · arxiv_version: 2507.14500v1 · doi: 10.48550/arxiv.2507.14500 · pith_short_12: B4OR3VWXVZDZ · pith_short_16: B4OR3VWXVZDZQVW4 · pith_short_8: B4OR3VWX

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/B4OR3VWXVZDZQVW4KNG7HPOSD5 \
  | 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: 0f1d1dd6d7ae479856dc534df3bdd21f7a302129e383aaaca77f072176a88a88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d811abfa973469f6d771bd004853e53e3b2336d0fce535a339cd796e1f71639",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-19T06:11:09Z",
    "title_canon_sha256": "804fde9d06d2554488cf65602b9cfbe7a962b1386bd326a528db4957d5f7022e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14500",
    "kind": "arxiv",
    "version": 1
  }
}