Pith Number

pith:HFLX7QXE

pith:2011:HFLX7QXESY7A3FCKGHS4KI2YY6

not attested not anchored not stored refs pending

Understanding opinions. A cognitive and formal account

Francesca Giardini, Rosaria Conte, Walter Quattrociocchi

arxiv:1106.4221 v1 · 2011-06-21 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFLX7QXESY7A3FCKGHS4KI2YY6}

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	2026-05-18T04:19:33.886248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39577fc2e4963e0d944a31e5c52358c7ace1daa711d06f3f206e90312121a876

Aliases

arxiv: 1106.4221 · arxiv_version: 1106.4221v1 · doi: 10.48550/arxiv.1106.4221 · pith_short_12: HFLX7QXESY7A · pith_short_16: HFLX7QXESY7A3FCK · pith_short_8: HFLX7QXE

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/HFLX7QXESY7A3FCKGHS4KI2YY6 \
  | 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: 39577fc2e4963e0d944a31e5c52358c7ace1daa711d06f3f206e90312121a876

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d99337af8b896d8ac134998bbeaa0dfaabe266c3db7e4c33ca867c59dbb24ae9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-06-21T15:00:33Z",
    "title_canon_sha256": "d663a0fcad17420432de2d6d2df516394b5ed1121bd1b12da6f972fc4e5b5c19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4221",
    "kind": "arxiv",
    "version": 1
  }
}