Pith Number

pith:4EJ7GNDM

pith:2017:4EJ7GNDMX7NU6X4PN4JUDWBKSS

not attested not anchored not stored refs pending

3D tracking of water hazards with polarized stereo cameras

Chuong V. Nguyen, Michael Milford, Robert Mahony

arxiv:1701.04175 v2 · 2017-01-16 · cs.RO · 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{4EJ7GNDMX7NU6X4PN4JUDWBKSS}

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	2026-05-18T00:49:57.673775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e113f3346cbfdb4f5f8f6f1341d82a94891ff32f1e8365e3947ac9d19be468a1

Aliases

arxiv: 1701.04175 · arxiv_version: 1701.04175v2 · doi: 10.48550/arxiv.1701.04175 · pith_short_12: 4EJ7GNDMX7NU · pith_short_16: 4EJ7GNDMX7NU6X4P · pith_short_8: 4EJ7GNDM

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/4EJ7GNDMX7NU6X4PN4JUDWBKSS \
  | 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: e113f3346cbfdb4f5f8f6f1341d82a94891ff32f1e8365e3947ac9d19be468a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ec114e5e3f864e81a5c36192d7624ffee465901e361ae12d5d71b299eb12f87",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2017-01-16T05:47:30Z",
    "title_canon_sha256": "c30f9ccfdef55e279128c0a39ce8d9c30b39b513f5f5466e4366c5a791728c4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04175",
    "kind": "arxiv",
    "version": 2
  }
}