Pith Number

pith:HLG4IE6Z

pith:2010:HLG4IE6ZTDSPZAWS2YKRMCELWL

not attested not anchored not stored refs pending

Negative emotions boost users activity at BBC Forum

Anna Chmiel, Georgios Paltoglou, Janusz A. Holyst, Julian Sienkiewicz, Kevan Buckley, Mike Thelwall, Pawel Sobkowicz

arxiv:1011.5459 v3 · 2010-11-24 · cs.HC · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLG4IE6ZTDSPZAWS2YKRMCELWL}

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	2026-05-18T04:20:49.709628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3acdc413d998e4fc82d2d61516088bb2cda18623423ad1ed9dcf6e568ef5f820

Aliases

arxiv: 1011.5459 · arxiv_version: 1011.5459v3 · doi: 10.48550/arxiv.1011.5459 · pith_short_12: HLG4IE6ZTDSP · pith_short_16: HLG4IE6ZTDSPZAWS · pith_short_8: HLG4IE6Z

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/HLG4IE6ZTDSPZAWS2YKRMCELWL \
  | 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: 3acdc413d998e4fc82d2d61516088bb2cda18623423ad1ed9dcf6e568ef5f820

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "406c4bfd8514e6a703f6876f6f10de51dd9a73dc240bd741cf9db33e22b2b3b4",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2010-11-24T19:04:44Z",
    "title_canon_sha256": "24001e807537f5631c868967d3095438dd9f931213729d9f1fafdee93604492b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5459",
    "kind": "arxiv",
    "version": 3
  }
}