Pith Number

pith:STIVELRD

pith:2018:STIVELRD3O25F36GYQWU3TRY5K

not attested not anchored not stored refs pending

Towards Reproducible Research: Automatic Classification of Empirical Requirements Engineering Papers

Clinton Woodson, Jane Huffman Hayes, Sarah Griffioen

arxiv:1804.02956 v1 · 2018-04-09 · cs.SE · 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{STIVELRD3O25F36GYQWU3TRY5K}

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	2026-05-18T00:18:57.847114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94d1522e23dbb5d2efc6c42d4dce38eabc8941d8df5ac1ea604a96a0845075b9

Aliases

arxiv: 1804.02956 · arxiv_version: 1804.02956v1 · doi: 10.48550/arxiv.1804.02956 · pith_short_12: STIVELRD3O25 · pith_short_16: STIVELRD3O25F36G · pith_short_8: STIVELRD

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/STIVELRD3O25F36GYQWU3TRY5K \
  | 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: 94d1522e23dbb5d2efc6c42d4dce38eabc8941d8df5ac1ea604a96a0845075b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b11b269b6c16d1d051dca130feae49100889ffce3085cc409b55199d783e474",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-04-09T13:09:16Z",
    "title_canon_sha256": "3fbcbafc65befd3491d34ec60f58e0f72790b1819ae1c6e88c48c8abb1105987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02956",
    "kind": "arxiv",
    "version": 1
  }
}