Pith Number

pith:UN4M3CKR

pith:2010:UN4M3CKRHR2I7573ZK2KL3JRXK

not attested not anchored not stored refs pending

Emotional Reactions and the Pulse of Public Opinion: Measuring the Impact of Political Events on the Sentiment of Online Discussions

Andreas Kaltenbrunner, Rafael E. Banchs, Sandra Gonzalez-Bailon

arxiv:1009.4019 v1 · 2010-09-21 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UN4M3CKRHR2I7573ZK2KL3JRXK}

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	2026-05-18T04:40:34.695533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a378cd89513c748ff7fbcab4a5ed31ba9df91b51933a8b426611d4c9c512dad2

Aliases

arxiv: 1009.4019 · arxiv_version: 1009.4019v1 · doi: 10.48550/arxiv.1009.4019 · pith_short_12: UN4M3CKRHR2I · pith_short_16: UN4M3CKRHR2I7573 · pith_short_8: UN4M3CKR

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/UN4M3CKRHR2I7573ZK2KL3JRXK \
  | 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: a378cd89513c748ff7fbcab4a5ed31ba9df91b51933a8b426611d4c9c512dad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e0713b324eb820e1e068f04474982a4a08e24d41f8126b27a93c2f0081c2c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2010-09-21T08:35:00Z",
    "title_canon_sha256": "b4764f5c88c00fbc64bffb93efd16f44da8822140a739f84185e30574011e4d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4019",
    "kind": "arxiv",
    "version": 1
  }
}