Pith Number

pith:WIC7CF7O

pith:2018:WIC7CF7OO6HVN74POYGWR7TQP2

not attested not anchored not stored refs pending

Who framed Roger Reindeer? De-censorship of Facebook posts by snippet classification

Alessandro Tommasi, Cesare Zavattari, Fabio Del Vigna, Marinella Petrocchi, Maurizio Tesconi

arxiv:1804.03433 v1 · 2018-04-10 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIC7CF7OO6HVN74POYGWR7TQP2}

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	2026-05-18T00:18:48.291211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b205f117ee778f56ff8f760d68fe707e92c9d9a790e82d802988d6785e527d89

Aliases

arxiv: 1804.03433 · arxiv_version: 1804.03433v1 · doi: 10.48550/arxiv.1804.03433 · pith_short_12: WIC7CF7OO6HV · pith_short_16: WIC7CF7OO6HVN74P · pith_short_8: WIC7CF7O

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/WIC7CF7OO6HVN74POYGWR7TQP2 \
  | 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: b205f117ee778f56ff8f760d68fe707e92c9d9a790e82d802988d6785e527d89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5150eeeb5ecf887ebef03cdff95adb75186dd2a1e8d6527ec71ef64f35b625b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-04-10T10:22:19Z",
    "title_canon_sha256": "c92e1f965b5e8f7f85d385e6bcba9c9b94a7252fc00094002e1d2ec5f479cb24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03433",
    "kind": "arxiv",
    "version": 1
  }
}