Pith Number

pith:WEDBAYHI

pith:2020:WEDBAYHIEEDLED3Z26DGSQQ2E7

not attested not anchored not stored refs pending

The POLUSA Dataset: 0.9M Political News Articles Balanced by Time and Outlet Popularity

Felix Hamborg, Lukas Gebhard

arxiv:2005.14024 v1 · 2020-05-27 · cs.DL · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WEDBAYHIEEDLED3Z26DGSQQ2E7}

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	2026-07-05T01:06:27.641719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1061060e82106b20f79d78669421a27f1b4c51a8c8febde1b0827f477f81a51

Aliases

arxiv: 2005.14024 · arxiv_version: 2005.14024v1 · doi: 10.48550/arxiv.2005.14024 · pith_short_12: WEDBAYHIEEDL · pith_short_16: WEDBAYHIEEDLED3Z · pith_short_8: WEDBAYHI

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/WEDBAYHIEEDLED3Z26DGSQQ2E7 \
  | 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: b1061060e82106b20f79d78669421a27f1b4c51a8c8febde1b0827f477f81a51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2c381260612c222cfb23e4a69ba7b1486079f657d832c51a41381fc4d496728",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2020-05-27T14:24:11Z",
    "title_canon_sha256": "8f06b526c7c4663305bcf422c5c851541fcd8a2b7b43736162204e2f5ea4311f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.14024",
    "kind": "arxiv",
    "version": 1
  }
}