Pith Number

pith:DBZRQLVN

pith:2017:DBZRQLVNBZGBGLHNS4EIQPDMUK

not attested not anchored not stored refs pending

Multi-level Compressed Sensing Petrov-Galerkin discretization of high-dimensional parametric PDEs

Christoph Schwab, Holger Rauhut, Jean-Luc Bouchot

arxiv:1701.01671 v2 · 2017-01-06 · 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{DBZRQLVNBZGBGLHNS4EIQPDMUK}

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	2026-05-18T00:27:52.911588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1873182ead0e4c132ced9708883c6ca2967500621405c184ff0cccc0a6c63a08

Aliases

arxiv: 1701.01671 · arxiv_version: 1701.01671v2 · doi: 10.48550/arxiv.1701.01671 · pith_short_12: DBZRQLVNBZGB · pith_short_16: DBZRQLVNBZGBGLHN · pith_short_8: DBZRQLVN

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/DBZRQLVNBZGBGLHNS4EIQPDMUK \
  | 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: 1873182ead0e4c132ced9708883c6ca2967500621405c184ff0cccc0a6c63a08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5670a4aef87c2c00019327dc08ce8b94b5c310bda2d00fa038b08928a267398a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-01-06T15:51:43Z",
    "title_canon_sha256": "a2a090f36762475e78fd612ab3cd409cec8934e79837123a62e558c6a15a272b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01671",
    "kind": "arxiv",
    "version": 2
  }
}