Pith Number

pith:7ZTOWWHR

pith:2020:7ZTOWWHRNSCWZ6V533GQ3GG4ZK

not attested not anchored not stored refs pending

Self-supervised asymmetric deep hashing with margin-scalable constraint

Erwin M.Bakker, Song Wu, Zhengyang Yu, Zhihao Dou

arxiv:2012.03820 v3 · 2020-12-07 · 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{7ZTOWWHRNSCWZ6V533GQ3GG4ZK}

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	2026-07-05T03:00:07.743892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe66eb58f16c856cfabddecd0d98dccaa5f74128f811dde2b378e547098fe943

Aliases

arxiv: 2012.03820 · arxiv_version: 2012.03820v3 · doi: 10.48550/arxiv.2012.03820 · pith_short_12: 7ZTOWWHRNSCW · pith_short_16: 7ZTOWWHRNSCWZ6V5 · pith_short_8: 7ZTOWWHR

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/7ZTOWWHRNSCWZ6V533GQ3GG4ZK \
  | 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: fe66eb58f16c856cfabddecd0d98dccaa5f74128f811dde2b378e547098fe943

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d42aea2d04066d0c2925809b8b88f8a5213dc48d6abd6bd9c9cfab0100518c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-07T16:09:37Z",
    "title_canon_sha256": "220cb12f364ebd1f26892e63932946e867e1b9d834424af144510917a9371e33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03820",
    "kind": "arxiv",
    "version": 3
  }
}