Pith Number

pith:4VHTJTLC

pith:2021:4VHTJTLC6P2LWQ3ROWI3CKDSWP

not attested not anchored not stored refs pending

Exploring usability of Reddit in data science and knowledge processing

Amelia B\u{a}dic\u{a}, Jan Sawicki, Marcin Paprzycki, Maria Ganzha

arxiv:2110.02158 v3 · 2021-10-05 · 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{4VHTJTLC6P2LWQ3ROWI3CKDSWP}

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	2026-07-05T09:19:49.693473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e54f34cd62f3f4bb43717591b12872b3e9eeff4ba3c4f52830fda811ab32927c

Aliases

arxiv: 2110.02158 · arxiv_version: 2110.02158v3 · doi: 10.48550/arxiv.2110.02158 · pith_short_12: 4VHTJTLC6P2L · pith_short_16: 4VHTJTLC6P2LWQ3R · pith_short_8: 4VHTJTLC

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/4VHTJTLC6P2LWQ3ROWI3CKDSWP \
  | 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: e54f34cd62f3f4bb43717591b12872b3e9eeff4ba3c4f52830fda811ab32927c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "577587b734b6e03b8f5403faafdc6ddd29dd138654e384641f0b7f858aabea12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-10-05T16:47:25Z",
    "title_canon_sha256": "557b983c8f5f475e94c7ff26dd2e52399bc124a142f2cc10ab8b6a891f185658"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02158",
    "kind": "arxiv",
    "version": 3
  }
}