pith. sign in
Pith Number

pith:GAQGSAWB

pith:2019:GAQGSAWBASXTRHBSDORPJBDNBF
not attested not anchored not stored refs pending

Formal Rings

Jos\'e Carrasco, Piergiulio Tempesta

arxiv:1902.03665 v1 · 2019-02-10 · math.AT

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

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 2026-05-17T23:54:19.976520Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

30206902c104af389c321ba2f4846d09706379d92f602ce490416383ff88bb79

Aliases

arxiv: 1902.03665 · arxiv_version: 1902.03665v1 · doi: 10.48550/arxiv.1902.03665 · pith_short_12: GAQGSAWBASXT · pith_short_16: GAQGSAWBASXTRHBS · pith_short_8: GAQGSAWB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GAQGSAWBASXTRHBSDORPJBDNBF \
  | 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: 30206902c104af389c321ba2f4846d09706379d92f602ce490416383ff88bb79
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "119805ef2b6107ec501d512b531581bd1186f5a20ad527d27a662fa5b095f745",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-02-10T20:27:32Z",
    "title_canon_sha256": "99ca540b56bfc71488b54740e7491ae72bf590cc6b0cf45be5dc077984f5c607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03665",
    "kind": "arxiv",
    "version": 1
  }
}