Pith Number

pith:3SKA3HXA

pith:2021:3SKA3HXAUD2D7VVFCGYFWHZ7XC

not attested not anchored not stored refs pending

Error estimate of the Non Intrusive Reduced Basis method with finite volume schemes

Elise Grosjean (LJLL (UMR\_7598)), Yvon Maday (LJLL (UMR\_7598))

arxiv:2103.11720 v2 · 2021-03-22 · 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{3SKA3HXAUD2D7VVFCGYFWHZ7XC}

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	2026-07-05T02:29:47.599240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc940d9ee0a0f43fd6a511b05b1f3fb8b29c6093a24fa53312d2362c0c671b45

Aliases

arxiv: 2103.11720 · arxiv_version: 2103.11720v2 · doi: 10.48550/arxiv.2103.11720 · pith_short_12: 3SKA3HXAUD2D · pith_short_16: 3SKA3HXAUD2D7VVF · pith_short_8: 3SKA3HXA

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/3SKA3HXAUD2D7VVFCGYFWHZ7XC \
  | 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: dc940d9ee0a0f43fd6a511b05b1f3fb8b29c6093a24fa53312d2362c0c671b45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "452c119afc635e9dc3b3e6f8de69667aff7f87060f27324da93e9002ab1a520f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-03-22T10:52:24Z",
    "title_canon_sha256": "fc18bb1e1c46a8e9520b15f949680949bf30766ca6c32dadae91d42213e931a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.11720",
    "kind": "arxiv",
    "version": 2
  }
}