Pith Number

pith:FMAR4NFD

pith:2019:FMAR4NFDPGEWCLSVVCZYSPFAL5

not attested not anchored not stored refs pending

On second-order cone positive systems

Anders Rantzer, Christian Grussler

arxiv:1906.06139 v5 · 2019-06-14 · 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{FMAR4NFDPGEWCLSVVCZYSPFAL5}

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	2026-07-05T03:57:22.751584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b011e34a37989612e55a8b3893ca05f7552962c8006092d8dc666e88270accb

Aliases

arxiv: 1906.06139 · arxiv_version: 1906.06139v5 · doi: 10.48550/arxiv.1906.06139 · pith_short_12: FMAR4NFDPGEW · pith_short_16: FMAR4NFDPGEWCLSV · pith_short_8: FMAR4NFD

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/FMAR4NFDPGEWCLSVVCZYSPFAL5 \
  | 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: 2b011e34a37989612e55a8b3893ca05f7552962c8006092d8dc666e88270accb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3026100e194f8b0ab76486df57864600b7d5af82ec600398e99980779bbca679",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-06-14T11:47:54Z",
    "title_canon_sha256": "894fc6027dac2f22acb7cc35d4887e37cfc4133002bc41ce8b4bd41c28712add"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06139",
    "kind": "arxiv",
    "version": 5
  }
}