Pith Number

pith:Z64YGYAT

pith:2020:Z64YGYATVRYLSFY52JUWJHLYJ3

not attested not anchored not stored refs pending

A Large-scale Study of Security Vulnerability Support on Developer Q&A Websites

David Hin, M. Ali Babar, Roland Croft, Triet H. M. Le

arxiv:2008.04176 v2 · 2020-08-10 · cs.SE · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z64YGYATVRYLSFY52JUWJHLYJ3}

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	2026-07-05T03:12:45.201379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfb9836013ac70b9171dd269649d784eff6dc78d288f5b7223bd46b2d664c3c6

Aliases

arxiv: 2008.04176 · arxiv_version: 2008.04176v2 · doi: 10.48550/arxiv.2008.04176 · pith_short_12: Z64YGYATVRYL · pith_short_16: Z64YGYATVRYLSFY5 · pith_short_8: Z64YGYAT

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/Z64YGYATVRYLSFY52JUWJHLYJ3 \
  | 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: cfb9836013ac70b9171dd269649d784eff6dc78d288f5b7223bd46b2d664c3c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f23457f5b4942f1a883ab5cbc063aaee50b18a52f2ae1f2e3eb0a9d70d950049",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2020-08-10T14:58:23Z",
    "title_canon_sha256": "5e4902c9abeca03cdba81ffa8a7b7ef154bd5649f57d432d219e2803bb98d08d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.04176",
    "kind": "arxiv",
    "version": 2
  }
}