Pith Number

pith:KFUE6FFJ

pith:2013:KFUE6FFJYWEXC6KYFSOQS5BWI5

not attested not anchored not stored refs pending

Using Robust PCA to estimate regional characteristics of language use from geo-tagged Twitter messages

D\'aniel Kondor, G\'abor Vattay, Istv\'an Csabai, J\'anos Sz\"ule, L\'aszl\'o Dobos, Norbert Barankai, Tam\'as Hanyecz, Tam\'as Seb\H{o}k, Zs\'ofia Kallus

arxiv:1311.1169 v1 · 2013-11-05 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFUE6FFJYWEXC6KYFSOQS5BWI5}

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	2026-05-18T03:07:55.398019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51684f14a9c5897179582c9d097436474ab6e7e89200969af91f300a1241c63e

Aliases

arxiv: 1311.1169 · arxiv_version: 1311.1169v1 · doi: 10.48550/arxiv.1311.1169 · pith_short_12: KFUE6FFJYWEX · pith_short_16: KFUE6FFJYWEXC6KY · pith_short_8: KFUE6FFJ

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/KFUE6FFJYWEXC6KYFSOQS5BWI5 \
  | 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: 51684f14a9c5897179582c9d097436474ab6e7e89200969af91f300a1241c63e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "344d8d1095d0b8b1e2b3fe54388062e5aed58ab8356639889f4b3aa9948b9be8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-11-05T19:31:33Z",
    "title_canon_sha256": "23ab041b3c30c94fb8794a814ab803b235e1bc156b3aff6ddc9f9dc4e697aa99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1169",
    "kind": "arxiv",
    "version": 1
  }
}