Pith Number

pith:KWDEPIPB

pith:2018:KWDEPIPBCSCEEOEO74DEYG6RCW

not attested not anchored not stored refs pending

Schauder bases and the decay rate of the heat equation

Jari Taskinen, Jos\'e Bonet, Wolfgang Lusky

arxiv:1802.01902 v1 · 2018-02-06 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWDEPIPBCSCEEOEO74DEYG6RCW}

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	2026-05-18T00:24:20.969394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

558647a1e1148442388eff064c1bd1158372733e8f6f91834850fe71672c5058

Aliases

arxiv: 1802.01902 · arxiv_version: 1802.01902v1 · doi: 10.48550/arxiv.1802.01902 · pith_short_12: KWDEPIPBCSCE · pith_short_16: KWDEPIPBCSCEEOEO · pith_short_8: KWDEPIPB

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/KWDEPIPBCSCEEOEO74DEYG6RCW \
  | 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: 558647a1e1148442388eff064c1bd1158372733e8f6f91834850fe71672c5058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38eb12f1a006f49355fa0b0e9ffc136672c19323e43d3bb4c7b3136a07cacb20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-02-06T12:13:21Z",
    "title_canon_sha256": "26c2b4112c4eb0945dfc41fb7e29bdb1edf73914bbf9082223ed6af74067a9cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01902",
    "kind": "arxiv",
    "version": 1
  }
}