Pith Number

pith:26L7TEVM

pith:2017:26L7TEVMIPWX7FR2SJYPM4PAP3

not attested not anchored not stored refs pending

Facially Dual Complete (Nice) cones and lexicographic tangents

Levent Tun\c{c}el, Vera Roshchina

arxiv:1704.06368 v2 · 2017-04-21 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{26L7TEVMIPWX7FR2SJYPM4PAP3}

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	2026-05-17T23:52:29.506486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d797f992ac43ed7f963a9270f671e07ef56cf566c080133c7647adce9d5c95dd

Aliases

arxiv: 1704.06368 · arxiv_version: 1704.06368v2 · doi: 10.48550/arxiv.1704.06368 · pith_short_12: 26L7TEVMIPWX · pith_short_16: 26L7TEVMIPWX7FR2 · pith_short_8: 26L7TEVM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/26L7TEVMIPWX7FR2SJYPM4PAP3 \
  | 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: d797f992ac43ed7f963a9270f671e07ef56cf566c080133c7647adce9d5c95dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92e2cd181da0ea9e768855cc84877d88e2be997dcaa6595f57c75c80286d3d90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-04-21T00:06:08Z",
    "title_canon_sha256": "8db7dcdf2cbb5b6514af51b71f0d8c96e5df03f6c452474beb87f06402a6bd99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06368",
    "kind": "arxiv",
    "version": 2
  }
}