Pith Number

pith:2GWZIIZF

pith:2026:2GWZIIZF2LGGAUJIBYYJWOD4VX

not attested not anchored not stored refs pending

Package Managers \`a la Carte: A Formal Model of Dependency Resolution

Anil Madhavapeddy, David Allsopp, Patrick Ferris, Ryan Gibb, Thomas Gazagnaire

arxiv:2602.18602 v2 · 2026-02-20 · cs.PL · 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{2GWZIIZF2LGGAUJIBYYJWOD4VX}

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	2026-06-08T01:03:59.405154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1ad942325d2cc6051280e309b387cadf4e9b88a1373cd288b7287f326938620

Aliases

arxiv: 2602.18602 · arxiv_version: 2602.18602v2 · doi: 10.48550/arxiv.2602.18602 · pith_short_12: 2GWZIIZF2LGG · pith_short_16: 2GWZIIZF2LGGAUJI · pith_short_8: 2GWZIIZF

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/2GWZIIZF2LGGAUJIBYYJWOD4VX \
  | 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: d1ad942325d2cc6051280e309b387cadf4e9b88a1373cd288b7287f326938620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a50dcd9a4e0f28b5c6b02128cb8c245833ad43aa0d91d7c9df10fb5cf5e9d7fd",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2026-02-20T20:32:04Z",
    "title_canon_sha256": "86a6480640dd7a934c6472a2cbe438a4055c6362c1ad789eba88b3689d4cb37c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.18602",
    "kind": "arxiv",
    "version": 2
  }
}