Pith Number

pith:FEG53AYQ

pith:2016:FEG53AYQG5EQ6JSC4FDXXNYYU2

not attested not anchored not stored refs pending

Geometry-aware Similarity Learning on SPD Manifolds for Visual Recognition

Luc Van Gool, Ruiping Wang, Shiguang Shan, Wenxian Liu, Xianqiu Li, Xilin Chen, Zhiwu Huang

arxiv:1608.04914 v1 · 2016-08-17 · 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{FEG53AYQG5EQ6JSC4FDXXNYYU2}

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	2026-05-18T01:08:33.263172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

290ddd831037490f2642e1477bb718a6be16154f8d24f778db726fc8712ed850

Aliases

arxiv: 1608.04914 · arxiv_version: 1608.04914v1 · doi: 10.48550/arxiv.1608.04914 · pith_short_12: FEG53AYQG5EQ · pith_short_16: FEG53AYQG5EQ6JSC · pith_short_8: FEG53AYQ

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/FEG53AYQG5EQ6JSC4FDXXNYYU2 \
  | 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: 290ddd831037490f2642e1477bb718a6be16154f8d24f778db726fc8712ed850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31b299f27613cae7afe840ae9f7eb5cb93cad31852bcc3dbd81951a640fee2be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-08-17T10:02:57Z",
    "title_canon_sha256": "2f832885b9f585b6fdb818c71c3b4f85d1d1ac776c6d46a5e6da23525e849b42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04914",
    "kind": "arxiv",
    "version": 1
  }
}