Pith Number

pith:2DRDKO6D

pith:2025:2DRDKO6D4S4DGJCPTDD3H3C6WR

not attested not anchored not stored refs pending

Good Keypoints for the Two-View Geometry Estimation Problem

Alexander Vakhitov, Gonzalo Ferrer, Konstantin Pakulev

arxiv:2503.18767 v2 · 2025-03-24 · 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{2DRDKO6D4S4DGJCPTDD3H3C6WR}

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	2026-07-05T11:12:29.913995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0e2353bc3e4b833244f98c7b3ec5eb45769449538a051b5fdfb54c11b3e5e88

Aliases

arxiv: 2503.18767 · arxiv_version: 2503.18767v2 · doi: 10.48550/arxiv.2503.18767 · pith_short_12: 2DRDKO6D4S4D · pith_short_16: 2DRDKO6D4S4DGJCP · pith_short_8: 2DRDKO6D

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/2DRDKO6D4S4DGJCPTDD3H3C6WR \
  | 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: d0e2353bc3e4b833244f98c7b3ec5eb45769449538a051b5fdfb54c11b3e5e88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45156aa2993b32a33b22bdca8c5ad6687807782e1c2afc7144d94739a30fa95c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-03-24T15:15:36Z",
    "title_canon_sha256": "388e525cfb09a0899b827cfaee33dffb6db2d4ebc4058ac083899e043670b067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.18767",
    "kind": "arxiv",
    "version": 2
  }
}