Pith Number

pith:O2UFND2G

pith:2021:O2UFND2GC5T4X4QR3U7PRJ6A2L

not attested not anchored not stored refs pending

Publishing patterns reflect political polarization in news media

Em\H{o}ke-\'Agnes Horv\'at, Johannes Wachs, Nick Hagar

arxiv:2101.05044 v2 · 2021-01-13 · cs.SI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2UFND2GC5T4X4QR3U7PRJ6A2L}

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	2026-07-05T02:06:54.090899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a8568f461767cbf211dd3ef8a7c0d2dd2d624056cdc2a9b06e7c9dba394aeb

Aliases

arxiv: 2101.05044 · arxiv_version: 2101.05044v2 · doi: 10.48550/arxiv.2101.05044 · pith_short_12: O2UFND2GC5T4 · pith_short_16: O2UFND2GC5T4X4QR · pith_short_8: O2UFND2G

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/O2UFND2GC5T4X4QR3U7PRJ6A2L \
  | 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: 76a8568f461767cbf211dd3ef8a7c0d2dd2d624056cdc2a9b06e7c9dba394aeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6a51a3b4b930aa3b48a7fffe47cec4d1cd0b377655752b72803f7052e0e8fe5",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-01-13T13:26:18Z",
    "title_canon_sha256": "693e28f04d08c3b5ed0de3b8c2437ceee6b31d9a71f8cb7ecac3fe7ba929c7ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.05044",
    "kind": "arxiv",
    "version": 2
  }
}