Pith Number

pith:YAOSRPEQ

pith:2019:YAOSRPEQWKSZ2DL6VRZPLOBCR5

not attested not anchored not stored refs pending

Empirical Study of Phased Model of Software Change

Leon A. Wilson, V\'aclav Rajlich, Yibin Wang, Yoann Senin

arxiv:1904.05842 v1 · 2019-04-11 · cs.SE

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YAOSRPEQWKSZ2DL6VRZPLOBCR5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:48:48.284706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c01d28bc90b2a59d0d7eac72f5b8228f6744b4b0150aa73968e68bdaf438d4aa

Aliases

arxiv: 1904.05842 · arxiv_version: 1904.05842v1 · doi: 10.48550/arxiv.1904.05842 · pith_short_12: YAOSRPEQWKSZ · pith_short_16: YAOSRPEQWKSZ2DL6 · pith_short_8: YAOSRPEQ

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/YAOSRPEQWKSZ2DL6VRZPLOBCR5 \
  | 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: c01d28bc90b2a59d0d7eac72f5b8228f6744b4b0150aa73968e68bdaf438d4aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92fe71419c1dfbe6dcb4da303c93272531dd206460b82bd002ba00d6fb49b5e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-04-11T16:52:34Z",
    "title_canon_sha256": "86ead245f3ea177e83cdeec46ad00faf4d16cc8aeda1538cbdba2ab0d0887986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05842",
    "kind": "arxiv",
    "version": 1
  }
}