Pith Number

pith:2EC4MX3G

pith:2025:2EC4MX3G65XBZGS7AIIEEQSCDP

not attested not anchored not stored refs pending

Contrastive Masked Autoencoders for Character-Level Open-Set Writer Identification

Chin-Teng Lin, Thomas Do, Wenhao Ma, Xiaowei Jiang, Yiqun Duan

arxiv:2501.11895 v1 · 2025-01-21 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2EC4MX3G65XBZGS7AIIEEQSCDP}

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	2026-07-05T10:03:15.556807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d105c65f66f76e1c9a5f02104242421bcd94b5423263e931a59efa4fb93f45f1

Aliases

arxiv: 2501.11895 · arxiv_version: 2501.11895v1 · doi: 10.48550/arxiv.2501.11895 · pith_short_12: 2EC4MX3G65XB · pith_short_16: 2EC4MX3G65XBZGS7 · pith_short_8: 2EC4MX3G

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/2EC4MX3G65XBZGS7AIIEEQSCDP \
  | 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: d105c65f66f76e1c9a5f02104242421bcd94b5423263e931a59efa4fb93f45f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebe91326cdd345439915c7314de1b370968585853a46d41e2ab4d7404c4e859b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-21T05:15:10Z",
    "title_canon_sha256": "45952930a7e34f6dd6b8d04faadd43ef4be62b05ed3601e8d545cec4616c9090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11895",
    "kind": "arxiv",
    "version": 1
  }
}