pith. sign in
Pith Number

pith:CEZCEQGT

pith:2014:CEZCEQGT6BXYRMMQ4KYO4QR3MD
not attested not anchored not stored refs pending

Orienting triangulations

Boris Albar, Daniel Gon\c{c}alves, Kolja Knauer

arxiv:1412.4979 v1 · 2014-12-16 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CEZCEQGT6BXYRMMQ4KYO4QR3MD}

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 2026-05-18T02:31:09.970839Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

11322240d3f06f88b190e2b0ee423b60f6c1d59d1a34240c7d57133033f2e297

Aliases

arxiv: 1412.4979 · arxiv_version: 1412.4979v1 · doi: 10.48550/arxiv.1412.4979 · pith_short_12: CEZCEQGT6BXY · pith_short_16: CEZCEQGT6BXYRMMQ · pith_short_8: CEZCEQGT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CEZCEQGT6BXYRMMQ4KYO4QR3MD \
  | 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: 11322240d3f06f88b190e2b0ee423b60f6c1d59d1a34240c7d57133033f2e297
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dc44df2555cf46d8d3a31b206666aba47369eb6642999f3b637a62bc18539e17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-12-16T12:38:13Z",
    "title_canon_sha256": "18b41df143ab2ccf4553b3003b8781a0a28b94c92d90d9a81f09ee9702d63934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4979",
    "kind": "arxiv",
    "version": 1
  }
}