Pith Number

pith:ZCAQWG2K

pith:2019:ZCAQWG2K7JLWWTY652ZAB7ASHB

not attested not anchored not stored refs pending

Recover and RELAX: Concern-Oriented Software Architecture Recovery for Systems Development and Maintenance

Barry Boehm, Daniel Link, Pooyan Behnamghader, Ramin Moazeni

arxiv:1903.06895 v1 · 2019-03-16 · 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{ZCAQWG2K7JLWWTY652ZAB7ASHB}

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	2026-05-17T23:51:08.691966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8810b1b4afa576b4f1eeeb200fc1238521e637760a646afe3e4085f24efe062

Aliases

arxiv: 1903.06895 · arxiv_version: 1903.06895v1 · doi: 10.48550/arxiv.1903.06895 · pith_short_12: ZCAQWG2K7JLW · pith_short_16: ZCAQWG2K7JLWWTY6 · pith_short_8: ZCAQWG2K

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/ZCAQWG2K7JLWWTY652ZAB7ASHB \
  | 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: c8810b1b4afa576b4f1eeeb200fc1238521e637760a646afe3e4085f24efe062

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9edc4ad4f4f84d060d8eb6a9e017cd665b0e3cec2e65c5aa09430dae29ec20af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-03-16T08:24:39Z",
    "title_canon_sha256": "e68678c2ae1448043380ad8a54dda0e34e8d5b0c526507b4a1f17b6376442308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06895",
    "kind": "arxiv",
    "version": 1
  }
}