Pith Number

pith:LJANBYUR

pith:2015:LJANBYURUHUJMY4XAYHCGQTYKX

not attested not anchored not stored refs pending

A study of the interface usability issues of mobile learning applications for smart phones from the users perspective

Abdalha Ali, Abdelkader Ouda, Luiz Fernando Capretz, Muasaad Alrasheedi

arxiv:1501.01875 v1 · 2015-01-08 · cs.CY · 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{LJANBYURUHUJMY4XAYHCGQTYKX}

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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	2026-05-18T02:29:46.173171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a40d0e291a1e8966397060e23427855f8241db369b7ae7b2759ed7e2f0f0f4d

Aliases

arxiv: 1501.01875 · arxiv_version: 1501.01875v1 · doi: 10.48550/arxiv.1501.01875 · pith_short_12: LJANBYURUHUJ · pith_short_16: LJANBYURUHUJMY4X · pith_short_8: LJANBYUR

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/LJANBYURUHUJMY4XAYHCGQTYKX \
  | 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: 5a40d0e291a1e8966397060e23427855f8241db369b7ae7b2759ed7e2f0f0f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c4ffcc34f5dc23b067429976ff3946beeae9dcd113c0215721157823630af58",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-01-08T15:14:54Z",
    "title_canon_sha256": "e7ff01bee55a14cd6a9d06f39b51b58ea4b1fcb1658fdc195e1468861a277350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01875",
    "kind": "arxiv",
    "version": 1
  }
}