Pith Number

pith:4XO3VVHU

pith:2017:4XO3VVHURXBN5RRKEVY64H4P3W

not attested not anchored not stored refs pending

Learning Discriminative Alpha-Beta-divergence for Positive Definite Matrices (Extended Version)

Anoop Cherian, Mehrtash Harandi, Nikolaos Papanikolopoulos, Panagiotis Stanitsas, Vassilios Morellas

arxiv:1708.01741 v1 · 2017-08-05 · 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{4XO3VVHURXBN5RRKEVY64H4P3W}

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	2026-05-18T00:38:35.026410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5ddbad4f48dc2dec62a2571ee1f8fdd89eaec5a3bc36c989fa00e0b0afdf6de

Aliases

arxiv: 1708.01741 · arxiv_version: 1708.01741v1 · doi: 10.48550/arxiv.1708.01741 · pith_short_12: 4XO3VVHURXBN · pith_short_16: 4XO3VVHURXBN5RRK · pith_short_8: 4XO3VVHU

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/4XO3VVHURXBN5RRKEVY64H4P3W \
  | 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: e5ddbad4f48dc2dec62a2571ee1f8fdd89eaec5a3bc36c989fa00e0b0afdf6de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b674841ecc20ed3494a0d749506e91d4df64909bda77b07722b30558fc35afa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-05T09:38:20Z",
    "title_canon_sha256": "42645f9451289ea7b4e158389863cb4daf0407e0880ccfc1e3526846f9239a7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01741",
    "kind": "arxiv",
    "version": 1
  }
}