pith. sign in
Pith Number

pith:U4J3ISFL

pith:2018:U4J3ISFLRP7BR6NTL3DOGWC5SJ
not attested not anchored not stored refs pending

Algorithms for Deciding Membership in Polytopes of General Dimension

Evangelos Anagnostopoulos, Ioannis Z. Emiris, Vissarion Fisikopoulos

arxiv:1804.11295 v1 · 2018-04-30 · cs.CG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{U4J3ISFLRP7BR6NTL3DOGWC5SJ}

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 2026-05-18T00:17:14.044210Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a713b448ab8bfe18f9b35ec6e3585d927f8cca810c7df525a94a64286284a646

Aliases

arxiv: 1804.11295 · arxiv_version: 1804.11295v1 · doi: 10.48550/arxiv.1804.11295 · pith_short_12: U4J3ISFLRP7B · pith_short_16: U4J3ISFLRP7BR6NT · pith_short_8: U4J3ISFL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/U4J3ISFLRP7BR6NTL3DOGWC5SJ \
  | 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: a713b448ab8bfe18f9b35ec6e3585d927f8cca810c7df525a94a64286284a646
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cb97f77e673de96c009098835ff88c8c5b3bccc9ecc7a5aef9383e7427aa3d0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-04-30T16:16:06Z",
    "title_canon_sha256": "3222ecd818ba5e7ea2b338600e4c291cbaf1347066787409747e8b91d7910260"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11295",
    "kind": "arxiv",
    "version": 1
  }
}