Pith Number

pith:4CUXMMFK

pith:2015:4CUXMMFKO2VB2MZTR3SKHVWBLI

not attested not anchored not stored refs pending

The Early Bird Catches The Term: Combining Twitter and News Data For Event Detection and Situational Awareness

Chris Hankin, Donal Simmie, Nicholas Thapen

arxiv:1504.02335 v1 · 2015-04-09 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4CUXMMFKO2VB2MZTR3SKHVWBLI}

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	2026-05-18T02:19:15.372247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0a97630aa76aa1d33338ee4a3d6c15a2b9535b0e8339933dabb3990ec9724e2

Aliases

arxiv: 1504.02335 · arxiv_version: 1504.02335v1 · doi: 10.48550/arxiv.1504.02335 · pith_short_12: 4CUXMMFKO2VB · pith_short_16: 4CUXMMFKO2VB2MZT · pith_short_8: 4CUXMMFK

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/4CUXMMFKO2VB2MZTR3SKHVWBLI \
  | 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: e0a97630aa76aa1d33338ee4a3d6c15a2b9535b0e8339933dabb3990ec9724e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd56490852ca199bdc8eecb9f97690b5f59d80e81adb502b9b883f0b0fc731a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-04-09T14:41:43Z",
    "title_canon_sha256": "64bedcd6ca78463278a5a001ea7ef3b2c41f6e7df9457c00a47062afae1b324d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02335",
    "kind": "arxiv",
    "version": 1
  }
}