Pith Number

pith:KVOUXNK6

pith:2021:KVOUXNK6E7CBWDGPD3GCVPNUW2

not attested not anchored not stored refs pending

Sentiment Analysis and Effect of COVID-19 Pandemic using College SubReddit Data

Fang Liu, Tian Yan

arxiv:2112.04351 v3 · 2021-11-30 · cs.CL · cs.CY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVOUXNK6E7CBWDGPD3GCVPNUW2}

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	2026-07-05T06:51:16.890177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

555d4bb55e27c41b0ccf1ecc2abdb4b6a8279123f128b7b7d5f686c507fddb4a

Aliases

arxiv: 2112.04351 · arxiv_version: 2112.04351v3 · doi: 10.48550/arxiv.2112.04351 · pith_short_12: KVOUXNK6E7CB · pith_short_16: KVOUXNK6E7CBWDGP · pith_short_8: KVOUXNK6

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/KVOUXNK6E7CBWDGPD3GCVPNUW2 \
  | 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: 555d4bb55e27c41b0ccf1ecc2abdb4b6a8279123f128b7b7d5f686c507fddb4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07eabeded0f5de24278295dd121ccffbee76a95b7d6ace7b227040f29b7b8313",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-11-30T19:15:06Z",
    "title_canon_sha256": "da0900cdc2ab650c2b1b86d4e40ec0deb91d15c6b6d7239c8c21bd4d078ebfb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.04351",
    "kind": "arxiv",
    "version": 3
  }
}