Pith Number

pith:7HPX2H7P

pith:2016:7HPX2H7PO6GVE3QVBQLV4T33EW

not attested not anchored not stored refs pending

Cross Euclidean-to-Riemannian Metric Learning with Application to Face Recognition from Video

Luc Van Gool, Ruiping Wang, Shiguang Shan, Xilin Chen, Zhiwu Huang

arxiv:1608.04200 v2 · 2016-08-15 · 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{7HPX2H7PO6GVE3QVBQLV4T33EW}

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	2026-05-18T00:53:15.537993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9df7d1fef778d526e150c175e4f7b25a809a8b0f8b19243095c78dfac294eef

Aliases

arxiv: 1608.04200 · arxiv_version: 1608.04200v2 · doi: 10.48550/arxiv.1608.04200 · pith_short_12: 7HPX2H7PO6GV · pith_short_16: 7HPX2H7PO6GVE3QV · pith_short_8: 7HPX2H7P

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/7HPX2H7PO6GVE3QVBQLV4T33EW \
  | 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: f9df7d1fef778d526e150c175e4f7b25a809a8b0f8b19243095c78dfac294eef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "098ccf0d5fd9c57b771bf41bbdb8c0e75f571f3e5d36ec53ae7fdafd260b886c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-08-15T07:54:55Z",
    "title_canon_sha256": "cef93948e6cafcba3c80d723c1b19aa37a92b02d774b2400beb1a4f5e2a08102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04200",
    "kind": "arxiv",
    "version": 2
  }
}