Pith Number

pith:LOIWS6NB

pith:2021:LOIWS6NBC7TIQZHO54JHI3IDFC

not attested not anchored not stored refs pending

Character Spotting Using Machine Learning Techniques

Hrishikesh Viswanath, P Preethi

arxiv:2107.11795 v2 · 2021-07-25 · cs.CV · cs.AI · 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{LOIWS6NBC7TIQZHO54JHI3IDFC}

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	2026-07-05T03:01:25.246917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b916979a117e68864eeef12746d0328996d115fd24c6591e06cd86c3eb84244

Aliases

arxiv: 2107.11795 · arxiv_version: 2107.11795v2 · doi: 10.48550/arxiv.2107.11795 · pith_short_12: LOIWS6NBC7TI · pith_short_16: LOIWS6NBC7TIQZHO · pith_short_8: LOIWS6NB

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/LOIWS6NBC7TIQZHO54JHI3IDFC \
  | 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: 5b916979a117e68864eeef12746d0328996d115fd24c6591e06cd86c3eb84244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4abdfd886c1d634d6d4cb4f05a40304f0d4b9ed75b0706d754c063e38336c653",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-25T12:36:57Z",
    "title_canon_sha256": "182fc851aa0da83d2487c3bec43b3e9602dacab0c796d325a61d625d24112ffe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.11795",
    "kind": "arxiv",
    "version": 2
  }
}