Pith Number

pith:AQ5MLS7P

pith:2015:AQ5MLS7PXKWWI5DN3IXNESLRL2

not attested not anchored not stored refs pending

LearnWeb-OER: Improving Accessibility of Open Educational Resources

Jaspreet Singh, Saniya Chawla, Zeon Trevor Fernando

arxiv:1509.02739 v1 · 2015-09-09 · cs.HC · 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{AQ5MLS7PXKWWI5DN3IXNESLRL2}

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	2026-05-18T01:33:33.386895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

043ac5cbefbaad64746dda2ed249715e8ded5bf2b60dc2ada8bb678a761deea6

Aliases

arxiv: 1509.02739 · arxiv_version: 1509.02739v1 · doi: 10.48550/arxiv.1509.02739 · pith_short_12: AQ5MLS7PXKWW · pith_short_16: AQ5MLS7PXKWWI5DN · pith_short_8: AQ5MLS7P

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/AQ5MLS7PXKWWI5DN3IXNESLRL2 \
  | 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: 043ac5cbefbaad64746dda2ed249715e8ded5bf2b60dc2ada8bb678a761deea6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8130ea5102f85b1f319f50fba3b54954566e518512e10eaad7f543f9b6509c30",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2015-09-09T12:01:39Z",
    "title_canon_sha256": "6bb1897308b7eac154ff654d588c1fb893f6d730a99a4689ed4e071916392670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02739",
    "kind": "arxiv",
    "version": 1
  }
}