Pith Number

pith:JKNGGJ2Y

pith:2014:JKNGGJ2YO2HBTT6DA4DS6QOZ7G

not attested not anchored not stored refs pending

Interactive Digital Learning Materials for Kindergarten Students in Bangladesh

Abu Kalam Shamsuddin, Arif Ahmed, Md. Baharul Islam, Md. Kabirul Islam

arxiv:1411.2075 v1 · 2014-11-08 · cs.CY · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JKNGGJ2YO2HBTT6DA4DS6QOZ7G}

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	2026-05-18T02:38:19.527877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a9a632758768e19cfc307072f41d9f99c1fbce257e74e7ac617ddc552c6de36

Aliases

arxiv: 1411.2075 · arxiv_version: 1411.2075v1 · doi: 10.48550/arxiv.1411.2075 · pith_short_12: JKNGGJ2YO2HB · pith_short_16: JKNGGJ2YO2HBTT6D · pith_short_8: JKNGGJ2Y

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/JKNGGJ2YO2HBTT6DA4DS6QOZ7G \
  | 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: 4a9a632758768e19cfc307072f41d9f99c1fbce257e74e7ac617ddc552c6de36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ce242706f9c9fe52205d66d49975d38f5383f8a9c86fe40f0eddd3718b6e053",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2014-11-08T02:21:43Z",
    "title_canon_sha256": "2cbc4c71cfa6d16dfbab3567d1c0fc374fed4731b54aa8a0610dd550d18f98e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2075",
    "kind": "arxiv",
    "version": 1
  }
}