Pith Number

pith:B26QBLSD

pith:2017:B26QBLSDVEI5VKNKZ6QQ4KZSQE

not attested not anchored not stored refs pending

What If People Learn Requirements Over Time? A Rough Introduction to Requirements Economics

Corentin Burnay, Ivan Jureta

arxiv:1711.09092 v1 · 2017-11-24 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B26QBLSDVEI5VKNKZ6QQ4KZSQE}

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	2026-05-18T00:29:40.593777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ebd00ae43a911daa9aacfa10e2b32812c83b92e78db11faa8922f9e716e53f0

Aliases

arxiv: 1711.09092 · arxiv_version: 1711.09092v1 · doi: 10.48550/arxiv.1711.09092 · pith_short_12: B26QBLSDVEI5 · pith_short_16: B26QBLSDVEI5VKNK · pith_short_8: B26QBLSD

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/B26QBLSDVEI5VKNKZ6QQ4KZSQE \
  | 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: 0ebd00ae43a911daa9aacfa10e2b32812c83b92e78db11faa8922f9e716e53f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e409988452b8f12f12aa0c9f8c6bbc000b6163e7abeb50df763378ec05128c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-11-24T15:34:00Z",
    "title_canon_sha256": "4ee42732dd48ad86b1a3f19e43c82bc4b615f8aec031d7d943ee8b86c37e340c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09092",
    "kind": "arxiv",
    "version": 1
  }
}