Pith Number

pith:LRD5H3XU

pith:2018:LRD5H3XU7FJDWYDT3TFLQCIAPK

not attested not anchored not stored refs pending

On the Use of Emoticons in Open Source Software Development

Ma\"elick Claes, Mika M\"antyl\"a, Umar Farooq

arxiv:1808.10639 v2 · 2018-08-31 · cs.SE · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRD5H3XU7FJDWYDT3TFLQCIAPK}

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	2026-05-18T00:03:45.342058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c47d3eef4f9523b6073dccab809007aa062fc7998ffea832a7737b46a0d7d80

Aliases

arxiv: 1808.10639 · arxiv_version: 1808.10639v2 · doi: 10.48550/arxiv.1808.10639 · pith_short_12: LRD5H3XU7FJD · pith_short_16: LRD5H3XU7FJDWYDT · pith_short_8: LRD5H3XU

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/LRD5H3XU7FJDWYDT3TFLQCIAPK \
  | 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: 5c47d3eef4f9523b6073dccab809007aa062fc7998ffea832a7737b46a0d7d80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b507d9110f17409bae3a108a6edd978a8bcc288e9e9b86dcf23c63c4080e207c",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-08-31T09:09:34Z",
    "title_canon_sha256": "66f946b054ed922895ca1aca1ff931e864a9f8c21bd1d797f7f96b4d22e741de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10639",
    "kind": "arxiv",
    "version": 2
  }
}