Pith Number

pith:MSR73M56

pith:2021:MSR73M56S3QPSOU4P44GVTRQGB

not attested not anchored not stored refs pending

Reproducible Builds: Increasing the Integrity of Software Supply Chains

Chris Lamb, Stefano Zacchiroli (DGD-I, UP)

arxiv:2104.06020 v1 · 2021-04-13 · 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{MSR73M56S3QPSOU4P44GVTRQGB}

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.

Cited by

1 paper in Pith

Solving Package Management via Hypergraph Dependency Resolution

Receipt and verification

First computed	2026-07-05T02:31:28.084551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64a3fdb3be96e0f93a9c7f386ace303068122c4949f485c76acdc8aec9fcd868

Aliases

arxiv: 2104.06020 · arxiv_version: 2104.06020v1 · doi: 10.48550/arxiv.2104.06020 · pith_short_12: MSR73M56S3QP · pith_short_16: MSR73M56S3QPSOU4 · pith_short_8: MSR73M56

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/MSR73M56S3QPSOU4P44GVTRQGB \
  | 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: 64a3fdb3be96e0f93a9c7f386ace303068122c4949f485c76acdc8aec9fcd868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84d77a35213be7c9b0af40152a6ea006e4c1112b0cdf7bf442ec4540134a4cd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-04-13T08:37:11Z",
    "title_canon_sha256": "b31436a63c1bc9205423b13d28c599c365e550fb8ae1d3a633df9df0d65490d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06020",
    "kind": "arxiv",
    "version": 1
  }
}