Pith Number

pith:KUBFIXJR

pith:2019:KUBFIXJROZDTWSZS3DH3WDCIY7

not attested not anchored not stored refs pending

Learning to Cluster Faces on an Affinity Graph

Chen Change Loy, Dahua Lin, Dapeng Chen, Junjie Yan, Lei Yang, Xiaohang Zhan

arxiv:1904.02749 v2 · 2019-04-04 · cs.CV · cs.LG

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

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	2026-05-17T23:47:01.467199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5502545d3176473b4b32d8cfbb0c48c7e91daaa41ca3d2100af81a84459b33be

Aliases

arxiv: 1904.02749 · arxiv_version: 1904.02749v2 · doi: 10.48550/arxiv.1904.02749 · pith_short_12: KUBFIXJROZDT · pith_short_16: KUBFIXJROZDTWSZS · pith_short_8: KUBFIXJR

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/KUBFIXJROZDTWSZS3DH3WDCIY7 \
  | 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: 5502545d3176473b4b32d8cfbb0c48c7e91daaa41ca3d2100af81a84459b33be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b84ff95142d2363ae923b0a78945f85a263ded0916b4b80c0cfd6c9c15dae5a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-04T19:01:35Z",
    "title_canon_sha256": "07103d0d86857c5ec436a358438bc53237ad8459ffe96a036aa40cb3edf6915d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02749",
    "kind": "arxiv",
    "version": 2
  }
}