Pith Number

pith:3UEP6IX5

pith:2019:3UEP6IX5QA7Q2QHUKFNB5QURW7

not attested not anchored not stored refs pending

Unsupervised Learning of Landmarks by Descriptor Vector Exchange

Andrea Vedaldi, Hakan Bilen, James Thewlis, Samuel Albanie

arxiv:1908.06427 v1 · 2019-08-18 · 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{3UEP6IX5QA7Q2QHUKFNB5QURW7}

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	2026-07-04T23:58:15.588351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd08ff22fd803f0d40f4515a1ec291b7cc061be5080b6b6d0f5f5b063c49591c

Aliases

arxiv: 1908.06427 · arxiv_version: 1908.06427v1 · doi: 10.48550/arxiv.1908.06427 · pith_short_12: 3UEP6IX5QA7Q · pith_short_16: 3UEP6IX5QA7Q2QHU · pith_short_8: 3UEP6IX5

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/3UEP6IX5QA7Q2QHUKFNB5QURW7 \
  | 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: dd08ff22fd803f0d40f4515a1ec291b7cc061be5080b6b6d0f5f5b063c49591c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bff37e84a0bdb696feb9fd8e59b7050ace0de3854704658f62510a1c487acb38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-18T11:35:45Z",
    "title_canon_sha256": "8693ed511c9f941a8ae5da0400250d864d83ee0d0da1093de18890c3cf0f6618"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06427",
    "kind": "arxiv",
    "version": 1
  }
}