Pith Number

pith:O54NN7UJ

pith:2021:O54NN7UJ7FUAJNBCBT7HMAMHZE

not attested not anchored not stored refs pending

Contemporary COBOL: Developers' Perspectives on Defects and Defect Location

Agnieszka Ciborowska, Aleksandar Chakarov, Rahul Pandita

arxiv:2105.01830 v2 · 2021-05-05 · 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{O54NN7UJ7FUAJNBCBT7HMAMHZE}

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	2026-07-05T03:44:10.186810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7778d6fe89f96804b4220cfe760187c9161b392f72035396fefae3783d8c15fc

Aliases

arxiv: 2105.01830 · arxiv_version: 2105.01830v2 · doi: 10.48550/arxiv.2105.01830 · pith_short_12: O54NN7UJ7FUA · pith_short_16: O54NN7UJ7FUAJNBC · pith_short_8: O54NN7UJ

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/O54NN7UJ7FUAJNBCBT7HMAMHZE \
  | 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: 7778d6fe89f96804b4220cfe760187c9161b392f72035396fefae3783d8c15fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ad369d559e890ea97443597ac645cea5971c1d1c21c37f3b7a6f45b3fb15f9f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-05-05T02:04:29Z",
    "title_canon_sha256": "2c8699a762c5f1f1db656c34b55f7939df04f1499dde7513a6bcccf0b7dace79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.01830",
    "kind": "arxiv",
    "version": 2
  }
}