Pith Number

pith:6SJCE6KV

pith:2021:6SJCE6KVTXM7IHFD3L2QYNFKQ7

not attested not anchored not stored refs pending

Predicting the Popularity of Reddit Posts with AI

Juno Kim

arxiv:2106.07380 v2 · 2021-06-08 · cs.LG · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6SJCE6KVTXM7IHFD3L2QYNFKQ7}

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	2026-07-05T02:50:11.607038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4922279559dd9f41ca3daf50c34aa87e5f8c922ae3a23a31eb336d7b871942f

Aliases

arxiv: 2106.07380 · arxiv_version: 2106.07380v2 · doi: 10.48550/arxiv.2106.07380 · pith_short_12: 6SJCE6KVTXM7 · pith_short_16: 6SJCE6KVTXM7IHFD · pith_short_8: 6SJCE6KV

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/6SJCE6KVTXM7IHFD3L2QYNFKQ7 \
  | 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: f4922279559dd9f41ca3daf50c34aa87e5f8c922ae3a23a31eb336d7b871942f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77210302293be948620326566d4550f9693f267b56dfb20d4f037158223aad9e",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-08T23:30:25Z",
    "title_canon_sha256": "7990531c69e61fb2aed46aba888959214a905f5363c48fd25bd9e4ef5e0295ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.07380",
    "kind": "arxiv",
    "version": 2
  }
}