Pith Number

pith:APR76Y6F

pith:2015:APR76Y6FHBG43FA4QAR6CTETBY

not attested not anchored not stored refs pending

Sifting Robotic from Organic Text: A Natural Language Approach for Detecting Automation on Twitter

Chris A. Jones, Christopher M. Danforth, Eric M. Clark, Jake Ryland Williams, Peter Sheridan Dodds, Richard A. Galbraith

arxiv:1505.04342 v6 · 2015-05-17 · 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{APR76Y6FHBG43FA4QAR6CTETBY}

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	2026-05-18T01:12:30.835425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03e3ff63c5384dcd941c8023e14c930e21ed77e62742a3d70b07bd2561c93400

Aliases

arxiv: 1505.04342 · arxiv_version: 1505.04342v6 · doi: 10.48550/arxiv.1505.04342 · pith_short_12: APR76Y6FHBG4 · pith_short_16: APR76Y6FHBG43FA4 · pith_short_8: APR76Y6F

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/APR76Y6FHBG43FA4QAR6CTETBY \
  | 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: 03e3ff63c5384dcd941c8023e14c930e21ed77e62742a3d70b07bd2561c93400

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7949b653de1b86a1937f52b86e1df55b44d5389ff14078fefb9416842209075",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-05-17T01:22:00Z",
    "title_canon_sha256": "2235e2a4202d63354edb3ff26bb04d6c8f741a7920f540c527d3df4b96aafaef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04342",
    "kind": "arxiv",
    "version": 6
  }
}