Pith Number

pith:FEZBQUWW

pith:2016:FEZBQUWWRHTQZJYCEI3TVOKRHC

not attested not anchored not stored refs pending

The Impact of the Filter Bubble -- A Simulation Based Framework for Measuring Personalisation Macro Effects in Online Communities

Felix Schwagereit, Thomas Gottron

arxiv:1612.06551 v1 · 2016-12-20 · 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{FEZBQUWWRHTQZJYCEI3TVOKRHC}

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	2026-05-18T00:53:45.825613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29321852d689e70ca70222373ab95138a176867c89f2ea192050e5093b3d10f4

Aliases

arxiv: 1612.06551 · arxiv_version: 1612.06551v1 · doi: 10.48550/arxiv.1612.06551 · pith_short_12: FEZBQUWWRHTQ · pith_short_16: FEZBQUWWRHTQZJYC · pith_short_8: FEZBQUWW

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/FEZBQUWWRHTQZJYCEI3TVOKRHC \
  | 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: 29321852d689e70ca70222373ab95138a176867c89f2ea192050e5093b3d10f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf4df6c5f92b41e015a8cb5f9936b3c86a45b79397911f6c90c0c15668922211",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2016-12-20T08:59:20Z",
    "title_canon_sha256": "9f6070f02ac99f2da4a6490e2403e8694307421fad8721d72acb8384c6185088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06551",
    "kind": "arxiv",
    "version": 1
  }
}