Pith Number

pith:AMD4SMCQ

pith:2021:AMD4SMCQE3NNCNNKFI4E7UZEKP

not attested not anchored not stored refs pending

Structure-preserving model order reduction of Hamiltonian systems

C.Pagliantini, J.S.Hesthaven, N.Ripamonti

arxiv:2109.12367 v1 · 2021-09-25 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AMD4SMCQE3NNCNNKFI4E7UZEKP}

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.

Cited by

1 paper in Pith

Area Scaling of Dynamical Degrees of Freedom in Regularised Scalar Field Theory

Receipt and verification

First computed	2026-07-05T03:17:19.735018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0307c9305026dad135aa2a384fd32453f1fead311b5f8f8757e1c5ceaff9642b

Aliases

arxiv: 2109.12367 · arxiv_version: 2109.12367v1 · doi: 10.48550/arxiv.2109.12367 · pith_short_12: AMD4SMCQE3NN · pith_short_16: AMD4SMCQE3NNCNNK · pith_short_8: AMD4SMCQ

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/AMD4SMCQE3NNCNNKFI4E7UZEKP \
  | 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: 0307c9305026dad135aa2a384fd32453f1fead311b5f8f8757e1c5ceaff9642b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd589c99ec8e983aceed770276f964222b201085b44172b718c6be52d95a0066",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-09-25T13:33:25Z",
    "title_canon_sha256": "3006297163a6627da0f7c2172f13752111d781072393a39744355b631ca26493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12367",
    "kind": "arxiv",
    "version": 1
  }
}