Pith Number

pith:THIJLOKM

pith:2025:THIJLOKM2BSG6WHAUTPSHFII5I

not attested not anchored not stored refs pending

Changes to the Facebook Algorithm Decreased News Visibility Between 2021-2024

Dominik Batorski, Erin Wertz, Magdalena Wojcieszak, Szymon Talaga

arxiv:2507.19373 v1 · 2025-07-25 · 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{THIJLOKM2BSG6WHAUTPSHFII5I}

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.

Cited by

1 paper in Pith

Demographic Divides in Political Content Exposure on Facebook

Receipt and verification

First computed	2026-07-05T11:43:24.359293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99d095b94cd0646f58e0a4df239508ea2ece7292bcc1ca4f412176e2ee4a9d95

Aliases

arxiv: 2507.19373 · arxiv_version: 2507.19373v1 · doi: 10.48550/arxiv.2507.19373 · pith_short_12: THIJLOKM2BSG · pith_short_16: THIJLOKM2BSG6WHA · pith_short_8: THIJLOKM

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/THIJLOKM2BSG6WHAUTPSHFII5I \
  | 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: 99d095b94cd0646f58e0a4df239508ea2ece7292bcc1ca4f412176e2ee4a9d95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0c1351e34486c9f3aea6b0fbd3727491181ab0f3b966091b9d198babaa29278",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2025-07-25T15:24:56Z",
    "title_canon_sha256": "80a565eb1cd19ee617a44665b8ae84595a504131485ee47f54ace15997a2a4f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19373",
    "kind": "arxiv",
    "version": 1
  }
}