Pith Number

pith:ZRI4W6C7

pith:2020:ZRI4W6C7FO7R4TU3HSK7QK6VBI

not attested not anchored not stored refs pending

Learning to Detect Important People in Unlabelled Images for Semi-supervised Important People Detection

Fa-Ting Hong, Wei-Hong Li, Wei-Shi Zheng

arxiv:2004.07568 v1 · 2020-04-16 · 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{ZRI4W6C7FO7R4TU3HSK7QK6VBI}

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	2026-07-05T00:55:34.491789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc51cb785f2bbf1e4e9b3c95f82bd50a18ac45b3a64feb867fa9b2a4fb761070

Aliases

arxiv: 2004.07568 · arxiv_version: 2004.07568v1 · doi: 10.48550/arxiv.2004.07568 · pith_short_12: ZRI4W6C7FO7R · pith_short_16: ZRI4W6C7FO7R4TU3 · pith_short_8: ZRI4W6C7

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/ZRI4W6C7FO7R4TU3HSK7QK6VBI \
  | 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: cc51cb785f2bbf1e4e9b3c95f82bd50a18ac45b3a64feb867fa9b2a4fb761070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "894328b0f49f921300d0f1d2140a75b198c17520848a756e3cf4e4988c5dc3aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-16T10:09:37Z",
    "title_canon_sha256": "285e2bb9bbd7758681fcf258da37049dac16b0b3e3f3729acfb23a32694c418e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07568",
    "kind": "arxiv",
    "version": 1
  }
}