Pith Number

pith:5QOBJNXU

pith:2017:5QOBJNXUGTJLSQ2IXNH6HFB64B

not attested not anchored not stored refs pending

An extension of Chubanov's algorithm to symmetric cones

Bruno F. Louren\c{c}o, Masakazu Muramatsu, Takashi Tsuchiya, Tomonari Kitahara

arxiv:1702.01421 v3 · 2017-02-05 · math.OC · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5QOBJNXUGTJLSQ2IXNH6HFB64B}

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	2026-05-18T00:34:22.898311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec1c14b6f434d2b94348bb4fe3943ee0659a6229cb355c525844421502e9aab9

Aliases

arxiv: 1702.01421 · arxiv_version: 1702.01421v3 · doi: 10.48550/arxiv.1702.01421 · pith_short_12: 5QOBJNXUGTJL · pith_short_16: 5QOBJNXUGTJLSQ2I · pith_short_8: 5QOBJNXU

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/5QOBJNXUGTJLSQ2IXNH6HFB64B \
  | 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: ec1c14b6f434d2b94348bb4fe3943ee0659a6229cb355c525844421502e9aab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5471134144a7bf4f93bfc694f080372c64318320c17e6a026961c0acacca7391",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-02-05T16:15:34Z",
    "title_canon_sha256": "b4c89b5fb954aa6a288f7df4846d2a788119d0f49991420f008d22ad4c4f43ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01421",
    "kind": "arxiv",
    "version": 3
  }
}