Pith Number

pith:RIGX455U

pith:2021:RIGX455U7RUJA2IJM5IZXP34VP

not attested not anchored not stored refs pending

Deep Collaborative Multi-Modal Learning for Unsupervised Kinship Estimation

Chi-Man Pun, Guan-Nan Dong, Zheng Zhang

arxiv:2109.02804 v1 · 2021-09-07 · 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{RIGX455U7RUJA2IJM5IZXP34VP}

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	2026-07-05T03:12:19.486129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a0d7e77b4fc6890690967519bbf7cabd91280171a4b21355135e782810c19bc

Aliases

arxiv: 2109.02804 · arxiv_version: 2109.02804v1 · doi: 10.48550/arxiv.2109.02804 · pith_short_12: RIGX455U7RUJ · pith_short_16: RIGX455U7RUJA2IJ · pith_short_8: RIGX455U

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/RIGX455U7RUJA2IJM5IZXP34VP \
  | 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: 8a0d7e77b4fc6890690967519bbf7cabd91280171a4b21355135e782810c19bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b55272721b5c7cf1e99c482d1975d7a8348d0907901ace83fdb8514a6c5856a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-07T01:34:51Z",
    "title_canon_sha256": "b3eed57719d179f058e58b71e132e87eea7d51d96ef25bbd4e270232a92b0c08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.02804",
    "kind": "arxiv",
    "version": 1
  }
}