Pith Number

pith:T5PEP7SU

pith:2017:T5PEP7SUWJSKRHBEMH65GWAQZ3

not attested not anchored not stored refs pending

A Geometric Approach to Dynamical Model-Order Reduction

Florian Feppon, Pierre F.J. Lermusiaux

arxiv:1705.08521 v1 · 2017-05-23 · 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{T5PEP7SUWJSKRHBEMH65GWAQZ3}

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	2026-05-18T00:19:35.717219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f5e47fe54b264a89c2461fdd35810ceeceed79e982b31320117ce30d0cf1199

Aliases

arxiv: 1705.08521 · arxiv_version: 1705.08521v1 · doi: 10.48550/arxiv.1705.08521 · pith_short_12: T5PEP7SUWJSK · pith_short_16: T5PEP7SUWJSKRHBE · pith_short_8: T5PEP7SU

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/T5PEP7SUWJSKRHBEMH65GWAQZ3 \
  | 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: 9f5e47fe54b264a89c2461fdd35810ceeceed79e982b31320117ce30d0cf1199

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af900b39949a9d5a889c5810088758a2c6769c21eb52b391d539bcf6fb2985c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-05-23T20:17:55Z",
    "title_canon_sha256": "803b8d5ccd53c1627bb059a93b5bf376d79ed903636abfbe66edf61bc7f88ab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08521",
    "kind": "arxiv",
    "version": 1
  }
}