Pith Number

pith:EX5VAGCV

pith:2013:EX5VAGCVC76NIIDKO6T2DEEXGG

not attested not anchored not stored refs pending

The Extreme Right Filter Bubble

Derek Greene, Derek O'Callaghan, Joe Carthy, Maura Conway, P\'adraig Cunningham

arxiv:1308.6149 v1 · 2013-08-28 · 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{EX5VAGCVC76NIIDKO6T2DEEXGG}

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	2026-05-18T03:14:48.946862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25fb50185517fcd4206a77a7a1909731b1e51cb2b0bb44878726081cc8c4012e

Aliases

arxiv: 1308.6149 · arxiv_version: 1308.6149v1 · doi: 10.48550/arxiv.1308.6149 · pith_short_12: EX5VAGCVC76N · pith_short_16: EX5VAGCVC76NIIDK · pith_short_8: EX5VAGCV

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/EX5VAGCVC76NIIDKO6T2DEEXGG \
  | 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: 25fb50185517fcd4206a77a7a1909731b1e51cb2b0bb44878726081cc8c4012e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce5685bca96ea182bd0ff509edee776cd5ed4c51b7cb430dcfce108e7032463a",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2013-08-28T13:19:23Z",
    "title_canon_sha256": "69686eb57b7cd11de7bbdc922c9934ed5bb7ad248a25fdce0b32097a563ca010"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6149",
    "kind": "arxiv",
    "version": 1
  }
}