Pith Number

pith:MQPHVHZF

pith:2013:MQPHVHZFKCK2EDN6GZXURT3PCW

not attested not anchored not stored refs pending

Using Clustering to extract Personality Information from socio economic data

Alexandros Ladas, Eamonn Ferguson, Jon Garibaldi, Uwe Aickelin

arxiv:1307.1998 v1 · 2013-07-08 · cs.LG · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQPHVHZFKCK2EDN6GZXURT3PCW}

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	2026-05-18T03:19:02.826602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

641e7a9f255095a20dbe366f48cf6f1590c4eada64b63d1014bee9d15160dac0

Aliases

arxiv: 1307.1998 · arxiv_version: 1307.1998v1 · doi: 10.48550/arxiv.1307.1998 · pith_short_12: MQPHVHZFKCK2 · pith_short_16: MQPHVHZFKCK2EDN6 · pith_short_8: MQPHVHZF

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/MQPHVHZFKCK2EDN6GZXURT3PCW \
  | 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: 641e7a9f255095a20dbe366f48cf6f1590c4eada64b63d1014bee9d15160dac0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "906e45acebb588e3fa6b688e3829d577761fe3ca7c7e9c485b51d68655a0bb58",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-07-08T09:25:07Z",
    "title_canon_sha256": "0136ca92eb28b0fcfdb57b7ebb5e54616ee53b9e36d27089838c816300870949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1998",
    "kind": "arxiv",
    "version": 1
  }
}