Pith Number

pith:QOQVVLNC

pith:2017:QOQVVLNCWX74FDCOMDUYNPAS7B

not attested not anchored not stored refs pending

Towards CNN map representation and compression for camera relocalisation

Luis Contreras, Walterio Mayol-Cuevas

arxiv:1709.05972 v2 · 2017-09-15 · cs.CV · cs.RO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOQVVLNCWX74FDCOMDUYNPAS7B}

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	2026-05-18T00:15:52.457988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83a15aada2b5ffc28c4e60e986bc12f8673a06258303c84f7c37ba59849edd22

Aliases

arxiv: 1709.05972 · arxiv_version: 1709.05972v2 · doi: 10.48550/arxiv.1709.05972 · pith_short_12: QOQVVLNCWX74 · pith_short_16: QOQVVLNCWX74FDCO · pith_short_8: QOQVVLNC

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/QOQVVLNCWX74FDCOMDUYNPAS7B \
  | 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: 83a15aada2b5ffc28c4e60e986bc12f8673a06258303c84f7c37ba59849edd22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca42ea00668bb1cdcc1e1c53ca308774e3ad8e8c11c2ec7a507327e376702f4f",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-15T11:02:22Z",
    "title_canon_sha256": "5ade031d4cdde50669b4628bf22dbd1431be4a2be6166f54a5c765d75ccb0cba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05972",
    "kind": "arxiv",
    "version": 2
  }
}