pith. sign in
Pith Number

pith:OLOR44QS

pith:2014:OLOR44QSZ4ISI3POGO6777GDVQ
not attested not anchored not stored refs pending

Assessing Educational Research -- An Information Service for Monitoring a Heterogeneous Research Field

Karima Haddou ou Moussa, Marc Rittberger, Peter Mutschke, Philipp Mayr, Ute Sondergeld

arxiv:1405.6738 v1 · 2014-05-26 · cs.DL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OLOR44QSZ4ISI3POGO6777GDVQ}

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 2026-05-18T02:51:00.456616Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

72dd1e7212cf11246dee33bdfffcc3ac057e7a12f7fe6d3a6e7c6c5b9dade8a5

Aliases

arxiv: 1405.6738 · arxiv_version: 1405.6738v1 · doi: 10.48550/arxiv.1405.6738 · pith_short_12: OLOR44QSZ4IS · pith_short_16: OLOR44QSZ4ISI3PO · pith_short_8: OLOR44QS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OLOR44QSZ4ISI3POGO6777GDVQ \
  | 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: 72dd1e7212cf11246dee33bdfffcc3ac057e7a12f7fe6d3a6e7c6c5b9dade8a5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "db396ed54fba3a123d164abf8a24d6573e8379c2519487a998f852c259666b50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2014-05-26T20:15:32Z",
    "title_canon_sha256": "016fe1f519a487ab11ae0aa28b5c1fc85f54cd1699a4e594d505cb27c155a2ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6738",
    "kind": "arxiv",
    "version": 1
  }
}