Pith Number

pith:M57PXYDD

pith:2014:M57PXYDDZLPDOU4DSLIOHW3YXD

not attested not anchored not stored refs pending

Analyzing a practitioner perspective on relevance of published empirical research in Requirements Engineering

Niek Tax

arxiv:1403.1112 v1 · 2014-03-05 · cs.SE

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

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	2026-05-18T02:57:00.601206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

677efbe063cade37538392d0e3db78b8e205a3adc72deb485f2e23fd10c848ef

Aliases

arxiv: 1403.1112 · arxiv_version: 1403.1112v1 · doi: 10.48550/arxiv.1403.1112 · pith_short_12: M57PXYDDZLPD · pith_short_16: M57PXYDDZLPDOU4D · pith_short_8: M57PXYDD

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/M57PXYDDZLPDOU4DSLIOHW3YXD \
  | 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: 677efbe063cade37538392d0e3db78b8e205a3adc72deb485f2e23fd10c848ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86abd9d5d69f8b93fb41f2a17f96677a88cbb1deff334e984f0421051a2d2a32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-03-05T13:18:15Z",
    "title_canon_sha256": "c8c165eb250febd76f4727477f1c9396f65e85ae4ef0637853bc9412c0ceaef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1112",
    "kind": "arxiv",
    "version": 1
  }
}