Pith Number

pith:TW3JWNP4

pith:2017:TW3JWNP4ZJTUZQQIER5UBCFLGO

not attested not anchored not stored refs pending

Individual and Social Requirement Aspects of Sustainable eLearning Systems

Ahmed D. Alharthi, Maria Spichkova

arxiv:1701.06433 v1 · 2017-01-17 · 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{TW3JWNP4ZJTUZQQIER5UBCFLGO}

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	2026-05-18T00:52:18.411842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9db69b35fcca674cc208247b4088ab339c7dd778eab4d9db3ecb5f47296fa646

Aliases

arxiv: 1701.06433 · arxiv_version: 1701.06433v1 · doi: 10.48550/arxiv.1701.06433 · pith_short_12: TW3JWNP4ZJTU · pith_short_16: TW3JWNP4ZJTUZQQI · pith_short_8: TW3JWNP4

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/TW3JWNP4ZJTUZQQIER5UBCFLGO \
  | 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: 9db69b35fcca674cc208247b4088ab339c7dd778eab4d9db3ecb5f47296fa646

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c34687915ce65c015f69d381de7d5fc5117d0d0b44d5bb16bc67c09e7a423b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-01-17T02:25:02Z",
    "title_canon_sha256": "d29f71bbf0f2603f25a7c74a4b3474023c22f4535304a2197d51c1462ae0652a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06433",
    "kind": "arxiv",
    "version": 1
  }
}