Pith Number

pith:DVP43HAE

pith:2017:DVP43HAE27FEVAAHTTISSCPTJI

not attested not anchored not stored refs pending

A robust error estimator and a residual-free error indicator for reduced basis methods

Akil Narayan, Jiahua Jiang, Yanlai Chen

arxiv:1710.08999 v2 · 2017-10-24 · 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{DVP43HAE27FEVAAHTTISSCPTJI}

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	2026-05-18T00:05:05.473436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d5fcd9c04d7ca4a80079cd12909f34a358e6a2d85adb55a3fc6db5633def54b

Aliases

arxiv: 1710.08999 · arxiv_version: 1710.08999v2 · doi: 10.48550/arxiv.1710.08999 · pith_short_12: DVP43HAE27FE · pith_short_16: DVP43HAE27FEVAAH · pith_short_8: DVP43HAE

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/DVP43HAE27FEVAAHTTISSCPTJI \
  | 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: 1d5fcd9c04d7ca4a80079cd12909f34a358e6a2d85adb55a3fc6db5633def54b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7df7f3748c2fd8f3a573beef05fb5f50ffe4f601ac845eb63ba475fae3967df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-10-24T21:41:14Z",
    "title_canon_sha256": "9c89c33d6158175059c89eafff3b840d11c85110d957ef0832bc9b47c9687af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08999",
    "kind": "arxiv",
    "version": 2
  }
}