Pith Number

pith:NDALLO32

pith:2026:NDALLO32XYZWA454WR74LBCTSM

not attested not anchored not stored refs pending

Platform Sorting Drives Ideological Fragmentation in the Social Media Ecosystem

Alessandro Galeazzi, Edoardo Di Martino, Matteo Cinelli, Michele Starnini, Walter Quattrociocchi

arxiv:2606.10575 v1 · 2026-06-09 · cs.SI · cs.CY · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDALLO32XYZWA454WR74LBCTSM}

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	2026-06-10T01:10:27.583804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68c0b5bb7abe336073bcb47fc5845393060581bb4850a6d6e160a6ffce59bf92

Aliases

arxiv: 2606.10575 · arxiv_version: 2606.10575v1 · doi: 10.48550/arxiv.2606.10575 · pith_short_12: NDALLO32XYZW · pith_short_16: NDALLO32XYZWA454 · pith_short_8: NDALLO32

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/NDALLO32XYZWA454WR74LBCTSM \
  | 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: 68c0b5bb7abe336073bcb47fc5845393060581bb4850a6d6e160a6ffce59bf92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d02c83beef0dfe01532a51709df7844849e762634553a8bf7d64a5b3b3b6986a",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2026-06-09T08:41:17Z",
    "title_canon_sha256": "ca141c4308f551df6f2e82540dec316acadfee10ee4a453fd7f9e503809e94e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.10575",
    "kind": "arxiv",
    "version": 1
  }
}