Pith Number

pith:EWSEP54H

pith:2019:EWSEP54HJAL52MBDW6HCBUHCDE

not attested not anchored not stored refs pending

Training Deep Neural Networks to Detect Repeatable 2D Features Using Large Amounts of 3D World Capture Data

Alexander Mai, Allen Yang, Joseph Menke

arxiv:1912.04384 v1 · 2019-12-09 · 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{EWSEP54HJAL52MBDW6HCBUHCDE}

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	2026-07-05T00:24:58.725165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a447f7874817dd3023b78e20d0e2191315c3da628fd1d2584cae9545d53459

Aliases

arxiv: 1912.04384 · arxiv_version: 1912.04384v1 · doi: 10.48550/arxiv.1912.04384 · pith_short_12: EWSEP54HJAL5 · pith_short_16: EWSEP54HJAL52MBD · pith_short_8: EWSEP54H

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/EWSEP54HJAL52MBDW6HCBUHCDE \
  | 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: 25a447f7874817dd3023b78e20d0e2191315c3da628fd1d2584cae9545d53459

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37707835608ccc444a03b6da722d4d5d7425e8654d09ab00d7c0c2e1e267e618",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-09T21:28:50Z",
    "title_canon_sha256": "5aa9e4b644f3d2f614bba573dfa3afb7be03ccc27f223dbb4f3f0130e5a98342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.04384",
    "kind": "arxiv",
    "version": 1
  }
}