Pith Number

pith:CQXBLAAT

pith:2010:CQXBLAATAHWKXW4HE7Q2BBUDSH

not attested not anchored not stored refs pending

Smart Bengali Cell Phone Keypad Layout

Md. Abul Kalam Azad, Rezwana Sharmeen, Shabbir Ahmad, S. M. Kamruzzaman

arxiv:1009.4979 v1 · 2010-09-25 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQXBLAATAHWKXW4HE7Q2BBUDSH}

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	2026-05-18T04:40:19.578812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

142e15801301ecabdb8727e1a0868391fecaa9a7fa60183ed013b11cd34889b3

Aliases

arxiv: 1009.4979 · arxiv_version: 1009.4979v1 · doi: 10.48550/arxiv.1009.4979 · pith_short_12: CQXBLAATAHWK · pith_short_16: CQXBLAATAHWKXW4H · pith_short_8: CQXBLAAT

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/CQXBLAATAHWKXW4HE7Q2BBUDSH \
  | 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: 142e15801301ecabdb8727e1a0868391fecaa9a7fa60183ed013b11cd34889b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a1d1d7b4344a6c17c20467211b2d0b694b03f34d55f511bc3c3d81c8fabed49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2010-09-25T06:27:49Z",
    "title_canon_sha256": "09a166b005be6946a7cb1df09a5ac2f256ea78f54a8a859ba4c8bb20ed1f8593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4979",
    "kind": "arxiv",
    "version": 1
  }
}