Pith Number

pith:77ZZ5NCC

pith:2013:77ZZ5NCCNQMOB437BUUQMKWO5U

not attested not anchored not stored refs pending

Development of Comprehensive Devnagari Numeral and Character Database for Offline Handwritten Character Recognition

Vijay H.Mankar, Vikas J. Dongre

arxiv:1309.5357 v1 · 2013-08-17 · 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{77ZZ5NCCNQMOB437BUUQMKWO5U}

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	2026-05-18T03:12:46.951923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fff39eb4426c18e0f37f0d29062aceed05a21bc7993323c27bcfd401b355938b

Aliases

arxiv: 1309.5357 · arxiv_version: 1309.5357v1 · doi: 10.48550/arxiv.1309.5357 · pith_short_12: 77ZZ5NCCNQMO · pith_short_16: 77ZZ5NCCNQMOB437 · pith_short_8: 77ZZ5NCC

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/77ZZ5NCCNQMOB437BUUQMKWO5U \
  | 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: fff39eb4426c18e0f37f0d29062aceed05a21bc7993323c27bcfd401b355938b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b375342cb661918c0fbcecbe5787701c8930fa61a169b3add0705193f88aa2ae",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-08-17T03:09:50Z",
    "title_canon_sha256": "67a4563527f10b68430a8fe321edf523f3bb7838f0ed11f98351390f8b08fa40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5357",
    "kind": "arxiv",
    "version": 1
  }
}