pith. sign in
Pith Number

pith:PNNM24TC

pith:2018:PNNM24TC53QBWCDELBLMEJR7WW
not attested not anchored not stored refs pending

Caveat Emptor, Computational Social Science: Large-Scale Missing Data in a Widely-Published Reddit Corpus

Devin Gaffney, J. Nathan Matias

arxiv:1803.05046 v1 · 2018-03-13 · cs.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PNNM24TC53QBWCDELBLMEJR7WW}

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 2026-05-18T00:06:40.452279Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7b5acd7262eee01b08645856c2263fb5a9bd4261bfe65b104f9c9b0c9efbdd5d

Aliases

arxiv: 1803.05046 · arxiv_version: 1803.05046v1 · doi: 10.48550/arxiv.1803.05046 · pith_short_12: PNNM24TC53QB · pith_short_16: PNNM24TC53QBWCDE · pith_short_8: PNNM24TC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PNNM24TC53QBWCDELBLMEJR7WW \
  | 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: 7b5acd7262eee01b08645856c2263fb5a9bd4261bfe65b104f9c9b0c9efbdd5d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c9c97bc47a95662ed271613d71c83ef9f7b07fa998598b453928caac945ce6bd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-03-13T21:07:52Z",
    "title_canon_sha256": "979e496598a2256ddb25160399f3b285d3e0827d071a8b2a243ac87896e65e50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05046",
    "kind": "arxiv",
    "version": 1
  }
}