Pith Number

pith:CKXZQNN2

pith:2022:CKXZQNN26YWMG6LBKBY4LNLT3V

not attested not anchored not stored refs pending

CTM -- A Model for Large-Scale Multi-View Tweet Topic Classification

Aria Haghighi, Kenny Leung, Vivek Kulkarni

arxiv:2205.01603 v1 · 2022-05-03 · 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{CKXZQNN26YWMG6LBKBY4LNLT3V}

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	2026-07-05T04:20:06.753165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12af9835baf62cc379615071c5b573dd40eac9975ecc89b627980e7b4371ad52

Aliases

arxiv: 2205.01603 · arxiv_version: 2205.01603v1 · doi: 10.48550/arxiv.2205.01603 · pith_short_12: CKXZQNN26YWM · pith_short_16: CKXZQNN26YWMG6LB · pith_short_8: CKXZQNN2

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/CKXZQNN26YWMG6LBKBY4LNLT3V \
  | 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: 12af9835baf62cc379615071c5b573dd40eac9975ecc89b627980e7b4371ad52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a01f169e9248577a0a8fe767f57414a0c9e99ff91e01f6584406821272ac5542",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-05-03T16:32:09Z",
    "title_canon_sha256": "c23cf5d712c616502403ddef11ff06aec487179d2805d820ceefb40bd8bfc4d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.01603",
    "kind": "arxiv",
    "version": 1
  }
}