Pith Number

pith:YB7XTZJG

pith:2022:YB7XTZJGVA6Q6HVJS5DSMJFUPU

not attested not anchored not stored refs pending

Offline Text-Independent Writer Identification based on word level data

Suresh Sundaram, Vineet Kumar

arxiv:2202.10207 v2 · 2022-02-21 · 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{YB7XTZJGVA6Q6HVJS5DSMJFUPU}

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	2026-07-05T07:06:18.056028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c07f79e526a83d0f1ea997472624b47d1a37d075619bfe00b193f9d05f2fd48d

Aliases

arxiv: 2202.10207 · arxiv_version: 2202.10207v2 · doi: 10.48550/arxiv.2202.10207 · pith_short_12: YB7XTZJGVA6Q · pith_short_16: YB7XTZJGVA6Q6HVJ · pith_short_8: YB7XTZJG

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/YB7XTZJGVA6Q6HVJS5DSMJFUPU \
  | 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: c07f79e526a83d0f1ea997472624b47d1a37d075619bfe00b193f9d05f2fd48d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30055b08d107df2499e5a8e9ad487a65d60ba824c2c181b9b9669bca056e9b64",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-21T13:32:09Z",
    "title_canon_sha256": "20cccf52a9c6e4342c7dd2dfd1054c6692eeeff4acf1c29cbfdd9a8a6630e4f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10207",
    "kind": "arxiv",
    "version": 2
  }
}