Pith Number

pith:SMTZV5WV

pith:2026:SMTZV5WVFUDQM3JWKWDI4XNIIE

not attested not anchored not stored refs pending

No Edges, No Verdict: A Large-Scale Empirical Study of Declared Dependency Graphs in 78K SBOMs in the Wild

Artur Zi\k{e}ba-Kozarzewski

arxiv:2607.22140 v1 · 2026-07-24 · 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{SMTZV5WVFUDQM3JWKWDI4XNIIE}

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	2026-07-27T01:20:50.152118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93279af6d52d07066d3655868e5da84100004f7b24530d94f422bd3a04bdbee3

Aliases

arxiv: 2607.22140 · arxiv_version: 2607.22140v1 · doi: 10.48550/arxiv.2607.22140 · pith_short_12: SMTZV5WVFUDQ · pith_short_16: SMTZV5WVFUDQM3JW · pith_short_8: SMTZV5WV

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/SMTZV5WVFUDQM3JWKWDI4XNIIE \
  | 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: 93279af6d52d07066d3655868e5da84100004f7b24530d94f422bd3a04bdbee3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "060bbd548c21a72db4abe6631af3f34a70cb4f46c5a2814ea2ded897364f4b32",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-24T09:37:00Z",
    "title_canon_sha256": "acab6eb9d8cf6c819b6f8982154dc9c03bbb9de4706bb558fc12c914a6841165"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22140",
    "kind": "arxiv",
    "version": 1
  }
}