Pith Number

pith:ZIFXJMOC

pith:2018:ZIFXJMOCVJ537AR77T5JCLEUV2

not attested not anchored not stored refs pending

A dual spectral projected gradient method for log-determinant semidefinite problems

Makoto Yamashita, Mituhiro Fukuda, Sunyoung Kim, Takashi Nakagaki

arxiv:1812.00523 v1 · 2018-12-03 · 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{ZIFXJMOCVJ537AR77T5JCLEUV2}

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	2026-05-17T23:59:21.107949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca0b74b1c2aa7bbf823ffcfa912c94aeb0a6566a3ef1980eb818eb48cb154b78

Aliases

arxiv: 1812.00523 · arxiv_version: 1812.00523v1 · doi: 10.48550/arxiv.1812.00523 · pith_short_12: ZIFXJMOCVJ53 · pith_short_16: ZIFXJMOCVJ537AR7 · pith_short_8: ZIFXJMOC

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/ZIFXJMOCVJ537AR77T5JCLEUV2 \
  | 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: ca0b74b1c2aa7bbf823ffcfa912c94aeb0a6566a3ef1980eb818eb48cb154b78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aae2de0d1ff29ca4e1ad2e59f73766659f6b6ce00d29c74b9a6155eb7054ebae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-12-03T02:23:35Z",
    "title_canon_sha256": "1be671869f656032c7da367bb5948dd92b2efff382f7b216b7e475d8105ff402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00523",
    "kind": "arxiv",
    "version": 1
  }
}