Pith Number

pith:RBZDFDBA

pith:2019:RBZDFDBAK4UOVFOXVDV2EMJ4XB

not attested not anchored not stored refs pending

A review of sentiment computation methods with R packages

Maurizio Naldi

arxiv:1901.08319 v1 · 2019-01-24 · 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{RBZDFDBAK4UOVFOXVDV2EMJ4XB}

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	2026-05-17T23:55:37.358370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8872328c205728ea95d7a8eba2313cb864d575fc7c47317d4be85cc6220b4a07

Aliases

arxiv: 1901.08319 · arxiv_version: 1901.08319v1 · doi: 10.48550/arxiv.1901.08319 · pith_short_12: RBZDFDBAK4UO · pith_short_16: RBZDFDBAK4UOVFOX · pith_short_8: RBZDFDBA

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/RBZDFDBAK4UOVFOXVDV2EMJ4XB \
  | 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: 8872328c205728ea95d7a8eba2313cb864d575fc7c47317d4be85cc6220b4a07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04c045bc5df343d109feca73098136f637da0c5fba20c0a13dda5c90a61b5a78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-01-24T10:02:45Z",
    "title_canon_sha256": "95f4062ef488ebc32924d2bf51c4df600ea9a937813b2f84f585feb3b5967316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08319",
    "kind": "arxiv",
    "version": 1
  }
}