Pith Number

pith:IS7GU7OL

pith:2010:IS7GU7OLSZGOSSBIOHGQWLECXH

not attested not anchored not stored refs pending

Inexact Solves in Interpolatory Model Reduction

Christopher A. Beattie, Sarah Wyatt, Serkan Gugercin

arxiv:1007.5213 v2 · 2010-07-29 · math.NA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IS7GU7OLSZGOSSBIOHGQWLECXH}

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	2026-05-18T03:35:54.577356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44be6a7dcb964ce9482871cd0b2c82b9c9bc9d31f0460dd0be6b529025e25245

Aliases

arxiv: 1007.5213 · arxiv_version: 1007.5213v2 · doi: 10.48550/arxiv.1007.5213 · pith_short_12: IS7GU7OLSZGO · pith_short_16: IS7GU7OLSZGOSSBI · pith_short_8: IS7GU7OL

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/IS7GU7OLSZGOSSBIOHGQWLECXH \
  | 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: 44be6a7dcb964ce9482871cd0b2c82b9c9bc9d31f0460dd0be6b529025e25245

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30ddd9b56e9ea9c2af8a6597dae578ed4666162d03d3ec7fb150f6ba4d7a72ab",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-07-29T13:28:09Z",
    "title_canon_sha256": "e2d4ee1603457c9097b951adf68c3f38e5d1e0f53ce6d29a2d2356eb4d9766bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.5213",
    "kind": "arxiv",
    "version": 2
  }
}