Pith Number

pith:MTK63JU4

pith:2013:MTK63JU44TCLEGJSXL5SMXFGBP

not attested not anchored not stored refs pending

Multipoint Volterra Series Interpolation and H2 Optimal Model Reduction of Bilinear Systems

Garret Flagg, Serkan Gugercin

arxiv:1312.2627 v1 · 2013-12-09 · math.NA · 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{MTK63JU44TCLEGJSXL5SMXFGBP}

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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	2026-05-18T01:03:24.382222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64d5eda69ce4c4b21932bafb265ca60bff15dcc65d941ff50b67e514356165a6

Aliases

arxiv: 1312.2627 · arxiv_version: 1312.2627v1 · doi: 10.48550/arxiv.1312.2627 · pith_short_12: MTK63JU44TCL · pith_short_16: MTK63JU44TCLEGJS · pith_short_8: MTK63JU4

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/MTK63JU44TCLEGJSXL5SMXFGBP \
  | 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: 64d5eda69ce4c4b21932bafb265ca60bff15dcc65d941ff50b67e514356165a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae02b44dccd527070f9a5226a0d517fb228f93d4ee1cd890ac3b7a592ae06283",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-12-09T23:18:54Z",
    "title_canon_sha256": "247a37ac50562d6fecfc4aa410f578c4eb2345fa8840db7891fbc1eadc228304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2627",
    "kind": "arxiv",
    "version": 1
  }
}