Pith Number

pith:FFKEWFZW

pith:2021:FFKEWFZWU7GTXEB3DVI23RD6RW

not attested not anchored not stored refs pending

Deep Hash Distillation for Image Retrieval

Byungsoo Ko, Geonmo Gu, Isaac Kang, Nam Ik Cho, Young Kyun Jang

arxiv:2112.08816 v2 · 2021-12-16 · 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{FFKEWFZWU7GTXEB3DVI23RD6RW}

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	2026-07-05T04:40:00.869360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29544b1736a7cd3b903b1d51adc47e8d85d0dcad2c973c27d5fa78a24ec45177

Aliases

arxiv: 2112.08816 · arxiv_version: 2112.08816v2 · doi: 10.48550/arxiv.2112.08816 · pith_short_12: FFKEWFZWU7GT · pith_short_16: FFKEWFZWU7GTXEB3 · pith_short_8: FFKEWFZW

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/FFKEWFZWU7GTXEB3DVI23RD6RW \
  | 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: 29544b1736a7cd3b903b1d51adc47e8d85d0dcad2c973c27d5fa78a24ec45177

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5a973b2546a853a8406d403fc3f8054a8e981dc5812d582c2e59d97129e15cf",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-16T12:01:50Z",
    "title_canon_sha256": "b3fd53bbdef25986283e05a964e8db6d80de4cd48bcd3c3eef0cdf24cd60baed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08816",
    "kind": "arxiv",
    "version": 2
  }
}