Pith Number

pith:ILY3KUUE

pith:2013:ILY3KUUER2OUDKWNUTCBH3GS2E

not attested not anchored not stored refs pending

Design Based Teaching for Science and Engineering Students

Mouhamed Abdulla, Yousef R. Shayan

arxiv:1306.1604 v1 · 2013-06-07 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ILY3KUUER2OUDKWNUTCBH3GS2E}

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	2026-05-18T03:21:32.959537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42f1b552848e9d41aacda4c413ecd2d139cb55c152cdc2abc2f41b665dd61dbd

Aliases

arxiv: 1306.1604 · arxiv_version: 1306.1604v1 · doi: 10.48550/arxiv.1306.1604 · pith_short_12: ILY3KUUER2OU · pith_short_16: ILY3KUUER2OUDKWN · pith_short_8: ILY3KUUE

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/ILY3KUUER2OUDKWNUTCBH3GS2E \
  | 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: 42f1b552848e9d41aacda4c413ecd2d139cb55c152cdc2abc2f41b665dd61dbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ae6078a77cea16a4ac3ceb34dfe09cae216d54abc86ac638e906276623a5a4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2013-06-07T04:20:39Z",
    "title_canon_sha256": "9186a9c8843036156c68ecfef7277f823da2afbc53d5c0a6c810e8fbee93bbc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1604",
    "kind": "arxiv",
    "version": 1
  }
}