Pith Number

pith:NDI7UOKK

pith:2021:NDI7UOKK6ATBDEDEMF4OPY3WCB

not attested not anchored not stored refs pending

Where the Earth is flat and 9/11 is an inside job: A comparative algorithm audit of conspiratorial information in web search results

Aleksandra Urman, Juhi Kulshrestha, Mykola Makhortykh, Roberto Ulloa

arxiv:2112.01278 v2 · 2021-12-02 · cs.IR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDI7UOKK6ATBDEDEMF4OPY3WCB}

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	2026-07-05T03:37:48.654857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68d1fa394af0261190646178e7e376106e878ab733db0fde4590df09e455da90

Aliases

arxiv: 2112.01278 · arxiv_version: 2112.01278v2 · doi: 10.48550/arxiv.2112.01278 · pith_short_12: NDI7UOKK6ATB · pith_short_16: NDI7UOKK6ATBDEDE · pith_short_8: NDI7UOKK

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/NDI7UOKK6ATBDEDEMF4OPY3WCB \
  | 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: 68d1fa394af0261190646178e7e376106e878ab733db0fde4590df09e455da90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48f864469deb9fd439cc9c949d768f3980935eb73fb091b0d28b34a99cd6860c",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-12-02T14:29:21Z",
    "title_canon_sha256": "3d90ac405590536126de63ba1eeea6392f9e9bd77394c2ec310075f9164f01e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01278",
    "kind": "arxiv",
    "version": 2
  }
}