Pith Number

pith:6IFWF3YW

pith:2021:6IFWF3YWGZ6F75LQIDK3KD46I7

not attested not anchored not stored refs pending

Similarity Guided Deep Face Image Retrieval

Nam Ik Cho, Young Kyun Jang

arxiv:2107.05025 v1 · 2021-07-11 · cs.CV · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6IFWF3YWGZ6F75LQIDK3KD46I7}

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	2026-07-05T02:56:45.512851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f20b62ef16367c5ff57040d5b50f9e47cb946891e6c7a16a74934944e3506130

Aliases

arxiv: 2107.05025 · arxiv_version: 2107.05025v1 · doi: 10.48550/arxiv.2107.05025 · pith_short_12: 6IFWF3YWGZ6F · pith_short_16: 6IFWF3YWGZ6F75LQ · pith_short_8: 6IFWF3YW

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/6IFWF3YWGZ6F75LQIDK3KD46I7 \
  | 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: f20b62ef16367c5ff57040d5b50f9e47cb946891e6c7a16a74934944e3506130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27b878316bf75c0eebd57cc621b586c0e1b28c3ce4c22aa1f71e74951e3dd8cf",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-11T11:32:04Z",
    "title_canon_sha256": "b2828e9ecbd8b85952a5d31088839b72d48344d457f22b114fc823d344ac26c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.05025",
    "kind": "arxiv",
    "version": 1
  }
}