Pith Number

pith:G2FWZ2BL

pith:2011:G2FWZ2BLH43OINW5JBVZDGW6PJ

not attested not anchored not stored refs pending

Design of an Optical Character Recognition System for Camera-based Handheld Devices

Ayatullah Faruk Mollah, Mita Nasipuri, Nabamita Majumder, Subhadip Basu

arxiv:1109.3317 v1 · 2011-09-15 · 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{G2FWZ2BLH43OINW5JBVZDGW6PJ}

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	2026-05-18T04:12:56.960170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

368b6ce82b3f36e436dd486b919ade7a5c789158c1881c505cf34fdaea3ff865

Aliases

arxiv: 1109.3317 · arxiv_version: 1109.3317v1 · doi: 10.48550/arxiv.1109.3317 · pith_short_12: G2FWZ2BLH43O · pith_short_16: G2FWZ2BLH43OINW5 · pith_short_8: G2FWZ2BL

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/G2FWZ2BLH43OINW5JBVZDGW6PJ \
  | 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: 368b6ce82b3f36e436dd486b919ade7a5c789158c1881c505cf34fdaea3ff865

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97f8a156567fa12d7789d2c0dec07a67f523bd9eb3e60b0ede59bf40e2d5c868",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-09-15T11:24:41Z",
    "title_canon_sha256": "b14cc99c0dbe3fa441a670d3aa4b24f878f168a26a27ccec19b9d417f717f1b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3317",
    "kind": "arxiv",
    "version": 1
  }
}