Pith Number

pith:NA3RQACK

pith:2018:NA3RQACKXMUS5M74JD52FEAAPZ

not attested not anchored not stored refs pending

A survey on software testability

Feyza Nur Kilicaslan, Michael Felderer, Vahid Garousi

arxiv:1801.02201 v2 · 2018-01-07 · 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{NA3RQACKXMUS5M74JD52FEAAPZ}

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	2026-05-17T23:58:56.178401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

683718004abb292eb3fc48fba290007e5f581bfa8fef05f24e9292e5f3dbb88d

Aliases

arxiv: 1801.02201 · arxiv_version: 1801.02201v2 · doi: 10.48550/arxiv.1801.02201 · pith_short_12: NA3RQACKXMUS · pith_short_16: NA3RQACKXMUS5M74 · pith_short_8: NA3RQACK

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/NA3RQACKXMUS5M74JD52FEAAPZ \
  | 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: 683718004abb292eb3fc48fba290007e5f581bfa8fef05f24e9292e5f3dbb88d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0e585f4425206872c6aae68d05686b810f64dde7c2120360cd37755f4e7cc09",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-01-07T15:49:58Z",
    "title_canon_sha256": "27bc61146f184af26a9346f540cfe3739c10ea75d283a3b7392148bab09668d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02201",
    "kind": "arxiv",
    "version": 2
  }
}