Pith Number

pith:CZLLBQHA

pith:2022:CZLLBQHAM52LW4HXPHU4LBT56H

not attested not anchored not stored refs pending

Identifying and Characterizing Silently-Evolved Methods in the Android API

John Grundy, Li Li, Mattia Fazzini, Pei Liu, Yichun Yan

arxiv:2205.15546 v1 · 2022-05-31 · 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{CZLLBQHAM52LW4HXPHU4LBT56H}

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	2026-07-05T04:27:34.204633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1656b0c0e06774bb70f779e9c5867df1ce26dce4ae8c9be7be47a6c05b2eb07a

Aliases

arxiv: 2205.15546 · arxiv_version: 2205.15546v1 · doi: 10.48550/arxiv.2205.15546 · pith_short_12: CZLLBQHAM52L · pith_short_16: CZLLBQHAM52LW4HX · pith_short_8: CZLLBQHA

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/CZLLBQHAM52LW4HXPHU4LBT56H \
  | 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: 1656b0c0e06774bb70f779e9c5867df1ce26dce4ae8c9be7be47a6c05b2eb07a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4d190cce1830558b80c1082aa2dfc82789f4088a8e8ce21d3b77448e7b72789",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2022-05-31T05:30:37Z",
    "title_canon_sha256": "89bb9705535e19fdc834fcdfea3069506052da1ec2c815ac409409f762278593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.15546",
    "kind": "arxiv",
    "version": 1
  }
}