Pith Number

pith:XTAOPC3Q

pith:2018:XTAOPC3QW6DI5Q72XPJZ3KB2KA

not attested not anchored not stored refs pending

Quantifying Filter Bubbles: Analyzing Surprise in Elections

Sagar Massand, Swaprava Nath

arxiv:1811.09458 v1 · 2018-11-23 · cs.SI · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTAOPC3QW6DI5Q72XPJZ3KB2KA}

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	2026-05-18T00:00:03.386322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcc0e78b70b7868ec3fabbd39da83a5008747afb22d83b0be8837f7c0f1bb833

Aliases

arxiv: 1811.09458 · arxiv_version: 1811.09458v1 · doi: 10.48550/arxiv.1811.09458 · pith_short_12: XTAOPC3QW6DI · pith_short_16: XTAOPC3QW6DI5Q72 · pith_short_8: XTAOPC3Q

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/XTAOPC3QW6DI5Q72XPJZ3KB2KA \
  | 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: bcc0e78b70b7868ec3fabbd39da83a5008747afb22d83b0be8837f7c0f1bb833

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b28252ed72f7326271786ed256736cd99ca5972fc4ec62419f93b67ac7bf3126",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-11-23T12:51:34Z",
    "title_canon_sha256": "4cea1944a7ef8d89671f979e3782e95ae3bd8a5d70d11a3e2092d6b5da8e49e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09458",
    "kind": "arxiv",
    "version": 1
  }
}