Pith Number

pith:OPFUDWLU

pith:2018:OPFUDWLUCFQLEL7DRJ2UT2HJT2

not attested not anchored not stored refs pending

Structure-from-Motion using Dense CNN Features with Keypoint Relocalization

Aji Resindra Widya, Akihiko Torii, Masatoshi Okutomi

arxiv:1805.03879 v2 · 2018-05-10 · 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{OPFUDWLUCFQLEL7DRJ2UT2HJT2}

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	2026-05-18T00:16:13.614531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73cb41d9741160b22fe38a7549e8e99e9e8384e3c149ed91ad357c3ad99f5a31

Aliases

arxiv: 1805.03879 · arxiv_version: 1805.03879v2 · doi: 10.48550/arxiv.1805.03879 · pith_short_12: OPFUDWLUCFQL · pith_short_16: OPFUDWLUCFQLEL7D · pith_short_8: OPFUDWLU

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/OPFUDWLUCFQLEL7DRJ2UT2HJT2 \
  | 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: 73cb41d9741160b22fe38a7549e8e99e9e8384e3c149ed91ad357c3ad99f5a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cbfd1536ad4fa834de5b729282cb4d030b402a68baeb485ab3eed29bfb06ab5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-10T08:35:06Z",
    "title_canon_sha256": "e6d3ebb5a327bef83fd5b95d710ffa7b339a23b7836a0f98933bb4bfb4cd2504"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03879",
    "kind": "arxiv",
    "version": 2
  }
}