Pith Number

pith:KV7E7VGG

pith:2017:KV7E7VGGBATFRCLNE2OHTRM2RV

not attested not anchored not stored refs pending

Towards Time-Limited $\mathcal H_2$-Optimal Model Order Reduction

Martin Redmann, Pawan Goyal

arxiv:1712.00301 v1 · 2017-12-01 · 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{KV7E7VGGBATFRCLNE2OHTRM2RV}

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	2026-05-18T00:29:06.608186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

557e4fd4c6082658896d269c79c59a8d78a7fd0620f42f2d1b71597f68d771ba

Aliases

arxiv: 1712.00301 · arxiv_version: 1712.00301v1 · doi: 10.48550/arxiv.1712.00301 · pith_short_12: KV7E7VGGBATF · pith_short_16: KV7E7VGGBATFRCLN · pith_short_8: KV7E7VGG

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/KV7E7VGGBATFRCLNE2OHTRM2RV \
  | 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: 557e4fd4c6082658896d269c79c59a8d78a7fd0620f42f2d1b71597f68d771ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd3ee009527594bf85316d025346d7b80474830626df7337e473ace1afa78db1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-12-01T13:15:47Z",
    "title_canon_sha256": "85942216eac55bd13cba27b3e3267350d1cd36f897c84d5a937a8a469ea6e859"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00301",
    "kind": "arxiv",
    "version": 1
  }
}