Pith Number

pith:3VB4S5HI

pith:2021:3VB4S5HIZNK33ALAWTLJUYXZOY

not attested not anchored not stored refs pending

Learning to Segment Rigid Motions from Two Frames

Deva Ramanan, Gengshan Yang

arxiv:2101.03694 v1 · 2021-01-11 · 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{3VB4S5HIZNK33ALAWTLJUYXZOY}

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	2026-07-05T02:05:52.868745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd43c974e8cb55bd8160b4d69a62f9760ac9859999c2a186dcea441d3eda034d

Aliases

arxiv: 2101.03694 · arxiv_version: 2101.03694v1 · doi: 10.48550/arxiv.2101.03694 · pith_short_12: 3VB4S5HIZNK3 · pith_short_16: 3VB4S5HIZNK33ALA · pith_short_8: 3VB4S5HI

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/3VB4S5HIZNK33ALAWTLJUYXZOY \
  | 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: dd43c974e8cb55bd8160b4d69a62f9760ac9859999c2a186dcea441d3eda034d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa07b55da9a791bdc4def1c8c48c180dd7d0840d390a51911de5779e8e282b4d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-11T04:20:30Z",
    "title_canon_sha256": "96f10dc693312cfa7b6e150efad5a616b912d9a78d2dcfbc59900d012f73abdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.03694",
    "kind": "arxiv",
    "version": 1
  }
}