pith. sign in
Pith Number

pith:I4UFAESU

pith:2018:I4UFAESUEDIHSS3335IGU2QWXJ
not attested not anchored not stored refs pending

Hilbert functions of schemes of double and reduced points

Adam Van Tuyl, Elena Guardo, Enrico Carlini, Maria Virginia Catalisano

arxiv:1804.10277 v3 · 2018-04-26 · math.AC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{I4UFAESUEDIHSS3335IGU2QWXJ}

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 2026-05-17T23:43:09.493182Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

472850125420d0794b7bdf506a6a16ba47093bd8f3430fb68eb5b20998ba8629

Aliases

arxiv: 1804.10277 · arxiv_version: 1804.10277v3 · doi: 10.48550/arxiv.1804.10277 · pith_short_12: I4UFAESUEDIH · pith_short_16: I4UFAESUEDIHSS33 · pith_short_8: I4UFAESU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/I4UFAESUEDIHSS3335IGU2QWXJ \
  | 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: 472850125420d0794b7bdf506a6a16ba47093bd8f3430fb68eb5b20998ba8629
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6a94b71d987cdb994b3c3acc6a46b871d268c05deb40e97dc01d868d2cfaf4f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-04-26T21:13:41Z",
    "title_canon_sha256": "5e8c17d21ebf4aa4c69d32d264c34398271cde811b02c2b75441007fb671e37a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10277",
    "kind": "arxiv",
    "version": 3
  }
}