Pith Number

pith:7TKO453B

pith:2019:7TKO453BVWRC3TF5RFVZGFIJX3

not attested not anchored not stored refs pending

Reconstructing high-dimensional Hilbert-valued functions via compressed sensing

Clayton Webster, Hoang Tran, Nick Dexter

arxiv:1905.05853 v1 · 2019-05-14 · math.NA · cs.NA · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TKO453BVWRC3TF5RFVZGFIJX3}

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	2026-06-04T20:14:30.713382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcd4ee7761ada22dccbd896b931509befcef8b5843cbf3e2fdaa54d93da89eeb

Aliases

arxiv: 1905.05853 · arxiv_version: 1905.05853v1 · doi: 10.48550/arxiv.1905.05853 · pith_short_12: 7TKO453BVWRC · pith_short_16: 7TKO453BVWRC3TF5 · pith_short_8: 7TKO453B

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/7TKO453BVWRC3TF5RFVZGFIJX3 \
  | 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: fcd4ee7761ada22dccbd896b931509befcef8b5843cbf3e2fdaa54d93da89eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c818b53e98962803f4e9a54e11787abcb214af726c1983f62048021ac27e915",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-14T21:35:07Z",
    "title_canon_sha256": "dfbfe6cf8fbbe36cbd95301304e801f0093f1901d46245eac4eb72f15ec5dc4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05853",
    "kind": "arxiv",
    "version": 1
  }
}