Pith Number

pith:ORCQQVSY

pith:2016:ORCQQVSYFU3KPXQ2GSUK7EWGTP

not attested not anchored not stored refs pending

A critical comparative analysis of five world university rankings

Henk F. Moed

arxiv:1611.06547 v2 · 2016-11-20 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORCQQVSYFU3KPXQ2GSUK7EWGTP}

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	2026-05-18T00:55:54.246861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74450856582d36a7de1a34a8af92c69bcaec93446abc5972826752ad0ff07d74

Aliases

arxiv: 1611.06547 · arxiv_version: 1611.06547v2 · doi: 10.48550/arxiv.1611.06547 · pith_short_12: ORCQQVSYFU3K · pith_short_16: ORCQQVSYFU3KPXQ2 · pith_short_8: ORCQQVSY

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/ORCQQVSYFU3KPXQ2GSUK7EWGTP \
  | 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: 74450856582d36a7de1a34a8af92c69bcaec93446abc5972826752ad0ff07d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49cd59b424ac521953e6fdd86538dd4e7e137c2e586add06fc782c6eeb81eac3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2016-11-20T17:06:50Z",
    "title_canon_sha256": "59a3610109c67a175d064ae53cc01f1079a4874f006c91d41439f4509fae1405"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06547",
    "kind": "arxiv",
    "version": 2
  }
}