Pith Number

pith:O5SUEAWA

pith:2015:O5SUEAWAI465ALRH76DVCNUQBS

not attested not anchored not stored refs pending

On predictability of rare events leveraging social media: a machine learning perspective

Alessandro Flammini, Emilio Ferrara, Lei Le

arxiv:1502.05886 v1 · 2015-02-20 · cs.SI · cs.LG · physics.data-an · 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{O5SUEAWAI465ALRH76DVCNUQBS}

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	2026-05-18T00:49:35.125703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77654202c0473dd02e27ff875136900c937c9662f9cd669dfcda583254f732db

Aliases

arxiv: 1502.05886 · arxiv_version: 1502.05886v1 · doi: 10.48550/arxiv.1502.05886 · pith_short_12: O5SUEAWAI465 · pith_short_16: O5SUEAWAI465ALRH · pith_short_8: O5SUEAWA

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/O5SUEAWAI465ALRH76DVCNUQBS \
  | 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: 77654202c0473dd02e27ff875136900c937c9662f9cd669dfcda583254f732db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64f32226805b90f308c8391749175b757af134e04e6c470aa51f1563bd69a7c0",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.data-an",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-02-20T14:42:26Z",
    "title_canon_sha256": "4e5f27ea7a7fc5a0bc5ed36714e390a9cc6b2eaf7d8c8b7186e67aedfeb5dc50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05886",
    "kind": "arxiv",
    "version": 1
  }
}