Pith Number

pith:3SHV7CYJ

pith:2015:3SHV7CYJGWHYBDPTML46XGIK27

not attested not anchored not stored refs pending

Joint Representation Classification for Collective Face Recognition

Liping Wang, Songcan Chen

arxiv:1505.04617 v1 · 2015-05-18 · cs.CV · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3SHV7CYJGWHYBDPTML46XGIK27}

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	2026-05-18T02:07:25.004548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc8f5f8b09358f808df362f9eb990ad7cf6a9edb2f4c323c40645e0f8b6685c4

Aliases

arxiv: 1505.04617 · arxiv_version: 1505.04617v1 · doi: 10.48550/arxiv.1505.04617 · pith_short_12: 3SHV7CYJGWHY · pith_short_16: 3SHV7CYJGWHYBDPT · pith_short_8: 3SHV7CYJ

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/3SHV7CYJGWHYBDPTML46XGIK27 \
  | 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: dc8f5f8b09358f808df362f9eb990ad7cf6a9edb2f4c323c40645e0f8b6685c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef61d8a965550bb7b660e3f9c795906e9b15632265e9a0026ac56991f41fea1",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-05-18T13:04:04Z",
    "title_canon_sha256": "634280368732323323d8855486cb8bdbd4c4b54ea8828b6482a110002a3c610f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04617",
    "kind": "arxiv",
    "version": 1
  }
}