Pith Number

pith:ETI2QMJE

pith:2021:ETI2QMJEOJXYLSGSBL4WKNIAWT

not attested not anchored not stored refs pending

HHF: Hashing-guided Hinge Function for Deep Hashing Retrieval

Chengyin Xu, Chun Yuan, Hongjia Li, Lingyu Yang, Qiruyi Zuo, Zenghao Chai, Zhengzhuo Xu

arxiv:2112.02225 v2 · 2021-12-04 · 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{ETI2QMJEOJXYLSGSBL4WKNIAWT}

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	2026-07-05T03:47:55.905115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24d1a83124726f85c8d20af9653500b4fb53fc902b18477e99f24402a174316d

Aliases

arxiv: 2112.02225 · arxiv_version: 2112.02225v2 · doi: 10.48550/arxiv.2112.02225 · pith_short_12: ETI2QMJEOJXY · pith_short_16: ETI2QMJEOJXYLSGS · pith_short_8: ETI2QMJE

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/ETI2QMJEOJXYLSGSBL4WKNIAWT \
  | 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: 24d1a83124726f85c8d20af9653500b4fb53fc902b18477e99f24402a174316d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c857eaa12cf0ef4a8fb78829da34b440b8204da2cc5e876cfc0855fc9f30ab4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-04T03:16:42Z",
    "title_canon_sha256": "07cc7fd8312dc76bc52aa76e882492aa07ec85630c042876626e9b7424791458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.02225",
    "kind": "arxiv",
    "version": 2
  }
}