Pith Number

pith:ZDZLGYII

pith:2025:ZDZLGYIIRTXHSEJVSBVEMITILJ

not attested not anchored not stored refs pending

Multidimensional classification of posts for online course discussion forum curation

Antonio Leandro Martins Candido, Jose Everardo Bessa Maia

arxiv:2508.10008 v1 · 2025-08-05 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZDZLGYIIRTXHSEJVSBVEMITILJ}

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	2026-07-05T11:53:29.045390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8f2b361088cee791135906a4622685a4dede4e6cce69897483f09042a179636

Aliases

arxiv: 2508.10008 · arxiv_version: 2508.10008v1 · doi: 10.48550/arxiv.2508.10008 · pith_short_12: ZDZLGYIIRTXH · pith_short_16: ZDZLGYIIRTXHSEJV · pith_short_8: ZDZLGYII

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/ZDZLGYIIRTXHSEJVSBVEMITILJ \
  | 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: c8f2b361088cee791135906a4622685a4dede4e6cce69897483f09042a179636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51f9eb5fad98f3917b3100cb22e8983870685397ddba78cab48c802bc7f2ed39",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-05T22:53:01Z",
    "title_canon_sha256": "1cc5b8ebecf9b436273e48b0af8f2094b52ce9896ff3515673c42ea56be16731"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.10008",
    "kind": "arxiv",
    "version": 1
  }
}