Pith Number

pith:L2J3WWA3

pith:2017:L2J3WWA3DNK2663VTTLY7SZGFI

not attested not anchored not stored refs pending

Truncation Dimension for Linear Problems on Multivariate Function Spaces

Aicke Hinrichs, Friedrich Pillichshammer, G.W. Wasilkowski, Peter Kritzer

arxiv:1701.06778 v3 · 2017-01-24 · 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{L2J3WWA3DNK2663VTTLY7SZGFI}

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	2026-05-18T00:32:02.894550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e93bb581b1b55af7b759cd78fcb262a1297db18669698e34b363aab7e5bcd1c

Aliases

arxiv: 1701.06778 · arxiv_version: 1701.06778v3 · doi: 10.48550/arxiv.1701.06778 · pith_short_12: L2J3WWA3DNK2 · pith_short_16: L2J3WWA3DNK2663V · pith_short_8: L2J3WWA3

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/L2J3WWA3DNK2663VTTLY7SZGFI \
  | 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: 5e93bb581b1b55af7b759cd78fcb262a1297db18669698e34b363aab7e5bcd1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f7cd5957302c8854dc26038a22f8ad891939039f2dbd5ccada1d29fb181bd39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-01-24T09:20:55Z",
    "title_canon_sha256": "79f4d00c7cd30562e57ff1d764da535eeebd98f18d6276dd8a2fd9695ad68ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06778",
    "kind": "arxiv",
    "version": 3
  }
}