Pith Number

pith:TSKOTITC

pith:2014:TSKOTITCR7WEZTDZB2D4A52VCR

not attested not anchored not stored refs pending

Adaptive Low-Rank Methods: Problems on Sobolev Spaces

2) ((1) IGPM, (2) AICES, Markus Bachmayr (1), RWTH Aachen, RWTH Aachen), Wolfgang Dahmen (1

arxiv:1407.4919 v1 · 2014-07-18 · 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{TSKOTITCR7WEZTDZB2D4A52VCR}

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	2026-05-18T02:47:22.354359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c94e9a2628fec4ccc790e87c077551479d10e3af705c7d7d763643e78575dea

Aliases

arxiv: 1407.4919 · arxiv_version: 1407.4919v1 · doi: 10.48550/arxiv.1407.4919 · pith_short_12: TSKOTITCR7WE · pith_short_16: TSKOTITCR7WEZTDZ · pith_short_8: TSKOTITC

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/TSKOTITCR7WEZTDZB2D4A52VCR \
  | 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: 9c94e9a2628fec4ccc790e87c077551479d10e3af705c7d7d763643e78575dea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2de8841aa5d4be7a8854d470f9c7bad68a6b41056d6c896586581fbbb981622b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-18T09:05:33Z",
    "title_canon_sha256": "9bc2f75b6a1e6dddad92c1b596a6810036074a53c74cd3d8d43ec31a2ddd6a3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4919",
    "kind": "arxiv",
    "version": 1
  }
}