Pith Number

pith:WBUNBPEM

pith:2016:WBUNBPEM4FKLKLZ2YOHGXYCRKH

not attested not anchored not stored refs pending

Tweet Acts: A Speech Act Classifier for Twitter

Deb Roy, Soroush Vosoughi

arxiv:1605.05156 v1 · 2016-05-17 · cs.CL · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WBUNBPEM4FKLKLZ2YOHGXYCRKH}

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	2026-05-18T01:12:16.502013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b068d0bc8ce154b52f3ac38e6be05151f9c357ee7988f3335a48bf5229f9dc49

Aliases

arxiv: 1605.05156 · arxiv_version: 1605.05156v1 · doi: 10.48550/arxiv.1605.05156 · pith_short_12: WBUNBPEM4FKL · pith_short_16: WBUNBPEM4FKLKLZ2 · pith_short_8: WBUNBPEM

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/WBUNBPEM4FKLKLZ2YOHGXYCRKH \
  | 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: b068d0bc8ce154b52f3ac38e6be05151f9c357ee7988f3335a48bf5229f9dc49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2416d713a52ee06654a2424b34e505e05b7cd1e1fcdedfa2974b66dcc58aa65",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-05-17T13:31:14Z",
    "title_canon_sha256": "a60224bb05534f50b1eb2e791fc69a5e9c5db94313cbdc10dd345d273bdf5c35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05156",
    "kind": "arxiv",
    "version": 1
  }
}