Pith Number

pith:XMN5HB65

pith:2020:XMN5HB65YA6F3NIK7TICUYCCCT

not attested not anchored not stored refs pending

Attention based Writer Independent Handwriting Verification

Mihir Chauhan, Mohammad Abuzar Shaikh, Sargur Srihari, Tiehang Duan

arxiv:2009.04532 v3 · 2020-09-07 · cs.CV · cs.AI · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XMN5HB65YA6F3NIK7TICUYCCCT}

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	2026-07-05T02:37:42.123637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb1bd387ddc03c5db50afcd02a604214e4b43ea6821607e035a6c7e26ba652d1

Aliases

arxiv: 2009.04532 · arxiv_version: 2009.04532v3 · doi: 10.48550/arxiv.2009.04532 · pith_short_12: XMN5HB65YA6F · pith_short_16: XMN5HB65YA6F3NIK · pith_short_8: XMN5HB65

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/XMN5HB65YA6F3NIK7TICUYCCCT \
  | 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: bb1bd387ddc03c5db50afcd02a604214e4b43ea6821607e035a6c7e26ba652d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8899ce6ce85286c20003858d1b54fb8844b9fcb39fa06641bbe18bb1d75c8ac0",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-09-07T16:28:16Z",
    "title_canon_sha256": "6d269ab3236111ff98c6d33dd40a0e5f93b9160ab2f9f723234147e8d7be2f7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.04532",
    "kind": "arxiv",
    "version": 3
  }
}