Pith Number

pith:7SHBRZH5

pith:2018:7SHBRZH5T5AVOPR3FRXITNRRJG

not attested not anchored not stored refs pending

A Joint Model of Conversational Discourse and Latent Topics on Microblogs

Jing Li, Kam-Fai Wong, Yan Song, Zhongyu Wei

arxiv:1809.03690 v1 · 2018-09-11 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SHBRZH5T5AVOPR3FRXITNRRJG}

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	2026-05-18T00:06:00.113053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc8e18e4fd9f41573e3b2c6e89b63149947555a4f3b8dd0d6361098d9c99836b

Aliases

arxiv: 1809.03690 · arxiv_version: 1809.03690v1 · doi: 10.48550/arxiv.1809.03690 · pith_short_12: 7SHBRZH5T5AV · pith_short_16: 7SHBRZH5T5AVOPR3 · pith_short_8: 7SHBRZH5

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/7SHBRZH5T5AVOPR3FRXITNRRJG \
  | 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: fc8e18e4fd9f41573e3b2c6e89b63149947555a4f3b8dd0d6361098d9c99836b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3340278e80989a34aa34eff40e1aefa17a27560c4c2816020f6b7dc000f4b37f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-11T06:13:37Z",
    "title_canon_sha256": "1055c890963be719af8522991a6504fbbd67a330e5ed9140ba4534cd45caa928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03690",
    "kind": "arxiv",
    "version": 1
  }
}