Pith Number

pith:4NKRZW2B

pith:2020:4NKRZW2BHBOHNOK26CX6VJGIET

not attested not anchored not stored refs pending

Adaptive Multi-modal Fusion Hashing via Hadamard Matrix

Donglin Zhang, Feng Chen, Jun Yu, Zhenqiu Shu

arxiv:2009.12148 v4 · 2020-09-25 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4NKRZW2BHBOHNOK26CX6VJGIET}

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	2026-07-05T03:03:18.131703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3551cdb41385c76b95af0afeaa4c824d731bb350c16dfa9713763cc8cea2bdc

Aliases

arxiv: 2009.12148 · arxiv_version: 2009.12148v4 · doi: 10.48550/arxiv.2009.12148 · pith_short_12: 4NKRZW2BHBOH · pith_short_16: 4NKRZW2BHBOHNOK2 · pith_short_8: 4NKRZW2B

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/4NKRZW2BHBOHNOK26CX6VJGIET \
  | 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: e3551cdb41385c76b95af0afeaa4c824d731bb350c16dfa9713763cc8cea2bdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cac093fde9eadbdb3663655f55eff326e9454cff4359cf345c3143cfc9a7f02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2020-09-25T11:58:07Z",
    "title_canon_sha256": "23de2ddfab6f78f34b28bce4a06965ef28c7d0bf7f2c2ff0f8fb34a616b363eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12148",
    "kind": "arxiv",
    "version": 4
  }
}