Pith Number

pith:TQ4AMLCB

pith:2019:TQ4AMLCBEPV6OBNYB6DBOR7UTS

not attested not anchored not stored refs pending

Improved Hard Example Mining by Discovering Attribute-based Hard Person Identity

Bin Luo, Jin Tang, Rui Yang, Xiao Wang, Ziliang Chen

arxiv:1905.02102 v3 · 2019-05-06 · 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{TQ4AMLCBEPV6OBNYB6DBOR7UTS}

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	2026-07-04T23:51:42.353146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c38062c4123ebe705b80f861747f49c927046d9915400cf6048221005b47ab6

Aliases

arxiv: 1905.02102 · arxiv_version: 1905.02102v3 · doi: 10.48550/arxiv.1905.02102 · pith_short_12: TQ4AMLCBEPV6 · pith_short_16: TQ4AMLCBEPV6OBNY · pith_short_8: TQ4AMLCB

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/TQ4AMLCBEPV6OBNYB6DBOR7UTS \
  | 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: 9c38062c4123ebe705b80f861747f49c927046d9915400cf6048221005b47ab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "652f6fe8958c6d80cb6fdfa7972d9a5c452074be2615e4e72feea962049c6e72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-06T15:38:36Z",
    "title_canon_sha256": "3b3eae88f2115f18921f123a26c674f8a8433db300e11a394f5938e8c6d113b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02102",
    "kind": "arxiv",
    "version": 3
  }
}