Pith Number

pith:EDMXY3ED

pith:2017:EDMXY3EDB4HVYAC2DTUYEFBWYR

not attested not anchored not stored refs pending

Resource Usage Analysis from a Different Perspective on MOOC Dropout

Joos Buijs, Mehrnoosh Vahdat, Remi Brochenin, Wil van der Aalst

arxiv:1710.05917 v1 · 2017-10-16 · 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{EDMXY3EDB4HVYAC2DTUYEFBWYR}

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	2026-05-18T00:32:38.330783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20d97c6c830f0f5c005a1ce9821436c4546eced3d44d3ac88b306b5f3a619a0d

Aliases

arxiv: 1710.05917 · arxiv_version: 1710.05917v1 · doi: 10.48550/arxiv.1710.05917 · pith_short_12: EDMXY3EDB4HV · pith_short_16: EDMXY3EDB4HVYAC2 · pith_short_8: EDMXY3ED

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/EDMXY3EDB4HVYAC2DTUYEFBWYR \
  | 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: 20d97c6c830f0f5c005a1ce9821436c4546eced3d44d3ac88b306b5f3a619a0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fd99fc6633532b81c965b0fe277ad090cff081de6a90a29f3e3af2d1bb26d60",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-10-16T13:28:57Z",
    "title_canon_sha256": "22ed9a5faa57e5bf29b225c78a840771263878d69886177518e1ce40a477d0f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05917",
    "kind": "arxiv",
    "version": 1
  }
}