Pith Number

pith:4RDLPOTB

pith:2025:4RDLPOTBK2VZGGKMWC3FAMLU3A

not attested not anchored not stored refs pending

Registration beyond Points: General Affine Subspace Alignment via Geodesic Distance on Grassmann Manifold

Ayoung Kim, Hyeonjae Gil, Jaeho Shin, Junwoo Jang, Maani Ghaffari

arxiv:2507.17998 v2 · 2025-07-24 · 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{4RDLPOTBK2VZGGKMWC3FAMLU3A}

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	2026-07-05T11:43:14.653514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e446b7ba6156ab93194cb0b6503174d8255397ca70cbcf6cf88436363ae25c48

Aliases

arxiv: 2507.17998 · arxiv_version: 2507.17998v2 · doi: 10.48550/arxiv.2507.17998 · pith_short_12: 4RDLPOTBK2VZ · pith_short_16: 4RDLPOTBK2VZGGKM · pith_short_8: 4RDLPOTB

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/4RDLPOTBK2VZGGKMWC3FAMLU3A \
  | 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: e446b7ba6156ab93194cb0b6503174d8255397ca70cbcf6cf88436363ae25c48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72cd4f5b8797e2585bdd46679085deed19a54c9ad82e94e6d3ec7d6be35d6c8a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-24T00:28:01Z",
    "title_canon_sha256": "01c01bc6d249493693a9de8b0d6bcebaa158793c6bd0cf1d6807623b5a4abe57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.17998",
    "kind": "arxiv",
    "version": 2
  }
}