Pith Number

pith:R2TA7M37

pith:2019:R2TA7M37LLOSKYWXDAVTSWLIPI

not attested not anchored not stored refs pending

Multi-source Relations for Contextual Data Mining in Learning Analytics

Anne Boyer, Armelle Brun, Julie Bu Daher

arxiv:1907.04643 v1 · 2019-06-28 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2TA7M37LLOSKYWXDAVTSWLIPI}

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	2026-05-17T23:40:57.261251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea60fb37f5add2562d7182b3959687a161817ff67fae5e9b9e83cabd4d86951

Aliases

arxiv: 1907.04643 · arxiv_version: 1907.04643v1 · doi: 10.48550/arxiv.1907.04643 · pith_short_12: R2TA7M37LLOS · pith_short_16: R2TA7M37LLOSKYWX · pith_short_8: R2TA7M37

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/R2TA7M37LLOSKYWXDAVTSWLIPI \
  | 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: 8ea60fb37f5add2562d7182b3959687a161817ff67fae5e9b9e83cabd4d86951

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22804055462a1a2404a321c7809f907c6bdd6136557e0685b1f8b47b6b3c22b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-06-28T12:26:09Z",
    "title_canon_sha256": "85601885f2f448a291a78898ef462ef53282c8c45631cb101fbc08614876ade8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04643",
    "kind": "arxiv",
    "version": 1
  }
}