Pith Number

pith:CS2VILQA

pith:2022:CS2VILQAAHAIQHKRU4BGUXJW6M

not attested not anchored not stored refs pending

Towards a Unified Approach to Homography Estimation Using Image Features and Pixel Intensities

Ely C. de Paiva, Geraldo Silvera, Lucas Nogueira

arxiv:2202.09716 v1 · 2022-02-20 · 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{CS2VILQAAHAIQHKRU4BGUXJW6M}

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	2026-07-05T04:03:03.645777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14b5542e0001c0881d51a7026a5d36f30e575085cf754fd661118f7f0cf37ddb

Aliases

arxiv: 2202.09716 · arxiv_version: 2202.09716v1 · doi: 10.48550/arxiv.2202.09716 · pith_short_12: CS2VILQAAHAI · pith_short_16: CS2VILQAAHAIQHKR · pith_short_8: CS2VILQA

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/CS2VILQAAHAIQHKRU4BGUXJW6M \
  | 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: 14b5542e0001c0881d51a7026a5d36f30e575085cf754fd661118f7f0cf37ddb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2baa1ae9684d5a3f00e4e422f9794797643562bc0678ed578d48dfccdffd7bdd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-20T02:47:05Z",
    "title_canon_sha256": "b061559928990697161570d76c8a361e26ca2e7e4740c00baf127d45e12f8bf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09716",
    "kind": "arxiv",
    "version": 1
  }
}