Pith Number

pith:I63QD2X3

pith:2017:I63QD2X3GWXZ6XZJIPRWTN4ZDC

not attested not anchored not stored refs pending

Unsupervised Learning of Depth and Ego-Motion from Video

David G. Lowe, Matthew Brown, Noah Snavely, Tinghui Zhou

arxiv:1704.07813 v2 · 2017-04-25 · 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{I63QD2X3GWXZ6XZJIPRWTN4ZDC}

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	2026-05-18T00:39:06.564539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47b701eafb35af9f5f2943e369b799189da3ecf4088ccbe55e112adf56c6f5ea

Aliases

arxiv: 1704.07813 · arxiv_version: 1704.07813v2 · doi: 10.48550/arxiv.1704.07813 · pith_short_12: I63QD2X3GWXZ · pith_short_16: I63QD2X3GWXZ6XZJ · pith_short_8: I63QD2X3

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/I63QD2X3GWXZ6XZJIPRWTN4ZDC \
  | 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: 47b701eafb35af9f5f2943e369b799189da3ecf4088ccbe55e112adf56c6f5ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91b93fef507922fb94650a4ebfb9868020c75a0df2e7e764738ae4c090414d7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-25T17:44:33Z",
    "title_canon_sha256": "56211b94baf26a645863327a7d096deffd427f82c0c6c4f66aa17d55c73f90f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07813",
    "kind": "arxiv",
    "version": 2
  }
}