Pith Number

pith:CALG4MF4

pith:2017:CALG4MF4FKPBJCCFOBSDBTTDKZ

not attested not anchored not stored refs pending

A Reduced Basis Technique for Long-Time Unsteady Turbulent Flows

Anthony T Patera, Lambert Fick, Tommaso Taddei, Yvon Maday

arxiv:1710.03569 v1 · 2017-10-10 · 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{CALG4MF4FKPBJCCFOBSDBTTDKZ}

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	2026-05-18T00:33:11.427350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10166e30bc2a9e148845706430ce63565532ad4135a4bb6d9850550156c76fcc

Aliases

arxiv: 1710.03569 · arxiv_version: 1710.03569v1 · doi: 10.48550/arxiv.1710.03569 · pith_short_12: CALG4MF4FKPB · pith_short_16: CALG4MF4FKPBJCCF · pith_short_8: CALG4MF4

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/CALG4MF4FKPBJCCFOBSDBTTDKZ \
  | 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: 10166e30bc2a9e148845706430ce63565532ad4135a4bb6d9850550156c76fcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00588576ce0f2278e00095e6dd0bec9cf5d7e6ae7b1407a3a48db01fb92f7988",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-10-10T13:27:22Z",
    "title_canon_sha256": "1cc87e67274eef62be5fab72e572af4e18cb89266a6dc678a2cbf762f2acbea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03569",
    "kind": "arxiv",
    "version": 1
  }
}