Pith Number

pith:OVPTTOSM

pith:2017:OVPTTOSMUE76ZNOJGLGZ7JRHI6

not attested not anchored not stored refs pending

An $\mathcal H_2$-Type Error Bound for Time-Limited Balanced Truncation

Martin Redmann, Patrick K\"urschner

arxiv:1710.07572 v1 · 2017-10-20 · 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{OVPTTOSMUE76ZNOJGLGZ7JRHI6}

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	2026-05-18T00:32:24.480780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

755f39ba4ca13fecb5c932cd9fa62747beaf10e08901ae39daab5fe8495a5c6d

Aliases

arxiv: 1710.07572 · arxiv_version: 1710.07572v1 · doi: 10.48550/arxiv.1710.07572 · pith_short_12: OVPTTOSMUE76 · pith_short_16: OVPTTOSMUE76ZNOJ · pith_short_8: OVPTTOSM

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/OVPTTOSMUE76ZNOJGLGZ7JRHI6 \
  | 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: 755f39ba4ca13fecb5c932cd9fa62747beaf10e08901ae39daab5fe8495a5c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5898ee7d8a51bda2229bd0334aa3d0d569618b7fcb61b8745c53d64e087c46d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-10-20T15:27:03Z",
    "title_canon_sha256": "ba71934667aac14c864048c6619db98a27c74c0d2ba192d3929305f31bd870df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07572",
    "kind": "arxiv",
    "version": 1
  }
}