Pith Number

pith:EJ5OSTLI

pith:2012:EJ5OSTLIXCZFQTZPG7UM52N6E4

not attested not anchored not stored refs pending

A Poisson convolution model for characterizing topical content with word frequency and exclusivity

Edoardo M Airoldi, Jonathan M Bischof

arxiv:1206.4631 v3 · 2012-06-18 · cs.LG · cs.CL · cs.IR · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJ5OSTLIXCZFQTZPG7UM52N6E4}

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	2026-05-18T02:46:31.590618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

227ae94d68b8b2584f2f37e8cee9be2721f7ad325ec8deb754137b5e5f00e8ef

Aliases

arxiv: 1206.4631 · arxiv_version: 1206.4631v3 · doi: 10.48550/arxiv.1206.4631 · pith_short_12: EJ5OSTLIXCZF · pith_short_16: EJ5OSTLIXCZFQTZP · pith_short_8: EJ5OSTLI

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/EJ5OSTLIXCZFQTZPG7UM52N6E4 \
  | 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: 227ae94d68b8b2584f2f37e8cee9be2721f7ad325ec8deb754137b5e5f00e8ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90f8bf9d93de5194ca3becf4ef5b474d6c4036974f85a456275a4a635972392e",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR",
      "stat.ME",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-06-18T15:11:38Z",
    "title_canon_sha256": "ca895f818d68960f4228db600adce00f615b36d28b9b12a98186231652681fc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4631",
    "kind": "arxiv",
    "version": 3
  }
}