Pith Number

pith:WKNAFQFR

pith:2024:WKNAFQFRHMHLWJLGTNGCEMXOPC

not attested not anchored not stored refs pending

L(u)PIN: LLM-based Political Ideology Nowcasting

Annabelle Purnomo, Christopher Cochrane, Ken Kato, Raeid Saqur

arxiv:2405.07320 v1 · 2024-05-12 · 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{WKNAFQFRHMHLWJLGTNGCEMXOPC}

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	2026-07-05T08:18:20.772706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b29a02c0b13b0ebb25669b4c2232ee78b03e2aa6085d4cbd0685811edc6c2127

Aliases

arxiv: 2405.07320 · arxiv_version: 2405.07320v1 · doi: 10.48550/arxiv.2405.07320 · pith_short_12: WKNAFQFRHMHL · pith_short_16: WKNAFQFRHMHLWJLG · pith_short_8: WKNAFQFR

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/WKNAFQFRHMHLWJLGTNGCEMXOPC \
  | 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: b29a02c0b13b0ebb25669b4c2232ee78b03e2aa6085d4cbd0685811edc6c2127

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e784501bc6e33ab7e2cdb32b5831cd9a9f5e9abb1694e34866a48d2a30ae492c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-05-12T16:14:07Z",
    "title_canon_sha256": "a8f6bd8ab579b8f94394890bac754b5e18549f65e04457808984ead2f6ad7844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.07320",
    "kind": "arxiv",
    "version": 1
  }
}