Pith Number

pith:I2I2H3UG

pith:2018:I2I2H3UGFNOSETRCZHWSITA2ZL

not attested not anchored not stored refs pending

A hierarchical model of non-homogeneous Poisson processes for Twitter retweets

Clement Lee, Darren J Wilkinson

arxiv:1802.01987 v3 · 2018-02-06 · stat.AP · cs.SI · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2I2H3UGFNOSETRCZHWSITA2ZL}

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	2026-05-17T23:47:31.493408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4691a3ee862b5d224e22c9ed244c1acacbbba3e66e3a055345362c7cfba4a852

Aliases

arxiv: 1802.01987 · arxiv_version: 1802.01987v3 · doi: 10.48550/arxiv.1802.01987 · pith_short_12: I2I2H3UGFNOS · pith_short_16: I2I2H3UGFNOSETRC · pith_short_8: I2I2H3UG

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/I2I2H3UGFNOSETRCZHWSITA2ZL \
  | 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: 4691a3ee862b5d224e22c9ed244c1acacbbba3e66e3a055345362c7cfba4a852

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "855cb2427e6b1d067e669c7bf8c4a7ebe6c77dfabe5c1e90faeb0322611beed9",
    "cross_cats_sorted": [
      "cs.SI",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-02-06T15:04:02Z",
    "title_canon_sha256": "a5b57a21e86a6b08e7ac5b4b7bd0c7ce5d2bbd6890cafc12060aa3f2e3fbf549"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01987",
    "kind": "arxiv",
    "version": 3
  }
}