Pith Number

pith:WGW2QC4H

pith:2026:WGW2QC4HVGUXVEXJ4R6DTZE6KF

not attested not anchored not stored refs pending

File-Level Copying Is an Implicit Dependency in Open Source

Audris Mockus, Minghui Zhou, Runzhi He, Wenhao Yang

arxiv:2607.02059 v1 · 2026-07-02 · 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{WGW2QC4HVGUXVEXJ4R6DTZE6KF}

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	2026-07-03T01:17:38.342494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1ada80b87a9a97a92e9e47c39e49e515271641db7f94758cbbfe9d4260a9f60

Aliases

arxiv: 2607.02059 · arxiv_version: 2607.02059v1 · doi: 10.48550/arxiv.2607.02059 · pith_short_12: WGW2QC4HVGUX · pith_short_16: WGW2QC4HVGUXVEXJ · pith_short_8: WGW2QC4H

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/WGW2QC4HVGUXVEXJ4R6DTZE6KF \
  | 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: b1ada80b87a9a97a92e9e47c39e49e515271641db7f94758cbbfe9d4260a9f60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be0e64f4311474ba0a7f4eb31432227003dca20e52efd9926b9809fe8d865a14",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-02T11:37:59Z",
    "title_canon_sha256": "85a2086d6b5432aac53a88afa30d27bceb57837bfe092a606c81138d6dc6ef49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02059",
    "kind": "arxiv",
    "version": 1
  }
}