Pith Number

pith:BEQ6RITN

pith:2016:BEQ6RITNTDIQAX5PIPRRHCMV4N

not attested not anchored not stored refs pending

Balanced model order reduction for systems depending on a parameter

Carles Batlle, Nestor Roqueiro

arxiv:1604.08086 v2 · 2016-04-27 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BEQ6RITNTDIQAX5PIPRRHCMV4N}

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	2026-05-18T01:11:58.915643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0921e8a26d98d1005faf43e3138995e3482c0e07b531b46ef361d381b89687a2

Aliases

arxiv: 1604.08086 · arxiv_version: 1604.08086v2 · doi: 10.48550/arxiv.1604.08086 · pith_short_12: BEQ6RITNTDIQ · pith_short_16: BEQ6RITNTDIQAX5P · pith_short_8: BEQ6RITN

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/BEQ6RITNTDIQAX5PIPRRHCMV4N \
  | 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: 0921e8a26d98d1005faf43e3138995e3482c0e07b531b46ef361d381b89687a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd7232d41dd843035ab56e2018387e9f8867a02eef7c6ee91992ca9cf543ecea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2016-04-27T14:26:17Z",
    "title_canon_sha256": "716b87db1bf9ef224ec08ea6e0735fc4c1682a9bb136a9c4ac807806b958f6b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08086",
    "kind": "arxiv",
    "version": 2
  }
}