Pith Number

pith:UFAOKSLG

pith:2013:UFAOKSLGI46EMKFQTF234GQVBO

not attested not anchored not stored refs pending

Evaluating the Usefulness of Sentiment Information for Focused Crawlers

Ahmed Abbasi, Daniel Zeng, Hsinchun Chen, Tianjun Fu

arxiv:1309.7270 v1 · 2013-09-27 · cs.IR · 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{UFAOKSLGI46EMKFQTF234GQVBO}

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	2026-05-18T03:11:59.697162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a140e54966473c4628b09975be1a150b96509df4a05d71a19c7c76dd6963c955

Aliases

arxiv: 1309.7270 · arxiv_version: 1309.7270v1 · doi: 10.48550/arxiv.1309.7270 · pith_short_12: UFAOKSLGI46E · pith_short_16: UFAOKSLGI46EMKFQ · pith_short_8: UFAOKSLG

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/UFAOKSLGI46EMKFQTF234GQVBO \
  | 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: a140e54966473c4628b09975be1a150b96509df4a05d71a19c7c76dd6963c955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8990df42f9bc5e90f7734acd4d4406480c7ebcb4b74a194924c45a260fea7827",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-09-27T15:14:34Z",
    "title_canon_sha256": "000fe7a29095f5fadb88d07bc25e31f2ff7b8d81bdacb4f47e43264b3e4605ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7270",
    "kind": "arxiv",
    "version": 1
  }
}