Pith Number

pith:ZR2CT5LR

pith:2017:ZR2CT5LRYPB35DLNM7A4ZKQSCC

not attested not anchored not stored refs pending

Compressing Large-Scale Wave Propagation Models via Phase-Preconditioned Rational Krylov Subspaces

J\"orn Zimmerling, Mikhail Zaslavsky, Rob Remis, Vladimir Druskin

arxiv:1711.00942 v1 · 2017-11-02 · math.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{ZR2CT5LRYPB35DLNM7A4ZKQSCC}

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	2026-05-18T00:31:24.446665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc7429f571c3c3be8d6d67c1ccaa12109090fa17188cae5e8f4ed95c3b48b6a0

Aliases

arxiv: 1711.00942 · arxiv_version: 1711.00942v1 · doi: 10.48550/arxiv.1711.00942 · pith_short_12: ZR2CT5LRYPB3 · pith_short_16: ZR2CT5LRYPB35DLN · pith_short_8: ZR2CT5LR

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/ZR2CT5LRYPB35DLNM7A4ZKQSCC \
  | 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: cc7429f571c3c3be8d6d67c1ccaa12109090fa17188cae5e8f4ed95c3b48b6a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e8f40baee14982fbf0fd6f4243050622dd0a711f28d14963efcbcdf3edb0a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-02T21:21:47Z",
    "title_canon_sha256": "f31cc9639f1a2b9f0c0b6779e956589ef3ead22b6c62e6e66ff3a9e409c20472"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00942",
    "kind": "arxiv",
    "version": 1
  }
}