Pith Number

pith:ETRG4MJP

pith:2019:ETRG4MJPBHXAQAPI7KEX56EU2W

not attested not anchored not stored refs pending

Technical Debt in Data-Intensive Software Systems

Harald Foidl, Michael Felderer, Stefan Biffl

arxiv:1905.13455 v1 · 2019-05-31 · 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{ETRG4MJPBHXAQAPI7KEX56EU2W}

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	2026-05-17T23:44:34.878878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24e26e312f09ee0801e8fa897ef894d5a99c48816e844a74cd674c8c43f46efb

Aliases

arxiv: 1905.13455 · arxiv_version: 1905.13455v1 · doi: 10.48550/arxiv.1905.13455 · pith_short_12: ETRG4MJPBHXA · pith_short_16: ETRG4MJPBHXAQAPI · pith_short_8: ETRG4MJP

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/ETRG4MJPBHXAQAPI7KEX56EU2W \
  | 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: 24e26e312f09ee0801e8fa897ef894d5a99c48816e844a74cd674c8c43f46efb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed252633e20665022da5e8b9803f98b4e9902d0ec5f6b19a2ab498829cf6310c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-05-31T08:12:40Z",
    "title_canon_sha256": "cb82b7997ab3907ce20fa819fdf92004e7fe5e1d41739e9719fac64425cc733e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13455",
    "kind": "arxiv",
    "version": 1
  }
}