Pith Number

pith:WZW3EVIO

pith:2019:WZW3EVIOLYU7F7DFLV72FUZQM3

not attested not anchored not stored refs pending

The Value of Software Architecture Recovery for Maintenance

Barry Boehm, Daniel Link, Pooyan Behnam, Ramin Moazeni

arxiv:1901.07700 v1 · 2019-01-23 · 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{WZW3EVIOLYU7F7DFLV72FUZQM3}

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	2026-05-17T23:55:41.784993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b66db2550e5e29f2fc655d7fa2d33066e6a8f35d8a52055d4850f405297b70ec

Aliases

arxiv: 1901.07700 · arxiv_version: 1901.07700v1 · doi: 10.48550/arxiv.1901.07700 · pith_short_12: WZW3EVIOLYU7 · pith_short_16: WZW3EVIOLYU7F7DF · pith_short_8: WZW3EVIO

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/WZW3EVIOLYU7F7DFLV72FUZQM3 \
  | 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: b66db2550e5e29f2fc655d7fa2d33066e6a8f35d8a52055d4850f405297b70ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9478ac25ba398fbdb36fcea2515e2dde8b866027a028e5a5acd74bae58ca1a07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-01-23T03:00:00Z",
    "title_canon_sha256": "6dac2c4d60561236f942f85e1af93f9b400f7e4f03125640da993cdb1f9bd59a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07700",
    "kind": "arxiv",
    "version": 1
  }
}