Pith Number

pith:Q65EACIR

pith:2013:Q65EACIRTUC6KIASXF2YGN5YCR

not attested not anchored not stored refs pending

Statistical sentiment analysis performance in Opinum

Boyan Bonev, Gema Ram\'irez-S\'anchez, Sergio Ortiz Rojas

arxiv:1303.0446 v1 · 2013-03-03 · 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{Q65EACIRTUC6KIASXF2YGN5YCR}

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	2026-05-18T03:31:56.030198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87ba4009119d05e52012b9758337b814700c8eb00632d34f962cbde736b70d06

Aliases

arxiv: 1303.0446 · arxiv_version: 1303.0446v1 · doi: 10.48550/arxiv.1303.0446 · pith_short_12: Q65EACIRTUC6 · pith_short_16: Q65EACIRTUC6KIAS · pith_short_8: Q65EACIR

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/Q65EACIRTUC6KIASXF2YGN5YCR \
  | 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: 87ba4009119d05e52012b9758337b814700c8eb00632d34f962cbde736b70d06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3445cb6410dd29971f492c0e35850ac6d725a0deebdcd110a26ad22f5c77895",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-03-03T01:38:03Z",
    "title_canon_sha256": "b3b6125af8026ad1e08a6b8b614cc1ebd647a3c6fbc3b7b3535a6ab74aed0575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0446",
    "kind": "arxiv",
    "version": 1
  }
}