pith. sign in
Pith Number

pith:J3THCQ7B

pith:2018:J3THCQ7BBF5H23NRSHNO52NUBO
not attested not anchored not stored refs pending

Fast minimization of structured convex quartics

Brian Bullins

arxiv:1812.10349 v1 · 2018-12-26 · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J3THCQ7BBF5H23NRSHNO52NUBO}

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 2026-05-17T23:57:24.384583Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4ee67143e1097a7d6db191daeee9b40b80e2ba36c4c5c592e60dba30f51e04ea

Aliases

arxiv: 1812.10349 · arxiv_version: 1812.10349v1 · doi: 10.48550/arxiv.1812.10349 · pith_short_12: J3THCQ7BBF5H · pith_short_16: J3THCQ7BBF5H23NR · pith_short_8: J3THCQ7B
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J3THCQ7BBF5H23NRSHNO52NUBO \
  | 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: 4ee67143e1097a7d6db191daeee9b40b80e2ba36c4c5c592e60dba30f51e04ea
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "427181edcc817717d1d9ed8e8c00e291b62d64955281e682b45d4c2b4d257b16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-12-26T15:54:35Z",
    "title_canon_sha256": "d78f68343f912deece672c3bcc7e3e694d95ac13be36d49764bc052409cb2baa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10349",
    "kind": "arxiv",
    "version": 1
  }
}