pith. sign in
Pith Number

pith:VPLGMO27

pith:2011:VPLGMO27BBEOPCRCC53CV7SRDI
not attested not anchored not stored refs pending

The QuillenSuslin Package for Macaulay2

Branden Stone, Brett Barwick

arxiv:1107.4383 v2 · 2011-07-21 · math.AC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VPLGMO27BBEOPCRCC53CV7SRDI}

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 2026-05-18T03:25:14.804265Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

abd6663b5f0848e78a2217762afe511a2286fadb16fb25ab5c806efc9ce0fd93

Aliases

arxiv: 1107.4383 · arxiv_version: 1107.4383v2 · doi: 10.48550/arxiv.1107.4383 · pith_short_12: VPLGMO27BBEO · pith_short_16: VPLGMO27BBEOPCRC · pith_short_8: VPLGMO27
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VPLGMO27BBEOPCRCC53CV7SRDI \
  | 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: abd6663b5f0848e78a2217762afe511a2286fadb16fb25ab5c806efc9ce0fd93
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2da2c6004a658b9ea82beda395164bb9ac338b7250c3ae2756a6e2f6efc13edc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2011-07-21T21:18:34Z",
    "title_canon_sha256": "06948e9ba1862eacd6ed6ba763b5a46a6962476faf1e0056e505baf9f2ce23fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4383",
    "kind": "arxiv",
    "version": 2
  }
}