Pith Number

pith:2RQDDFHL

pith:2018:2RQDDFHLNYXVR62BY4ERCVFM5F

not attested not anchored not stored refs pending

Building highly conditional almost greedy and quasi-greedy bases in Banach spaces

Denka Kutzarova, Fernando Albiac, Jose L. Ansorena, Stephen DIlworth

arxiv:1803.08351 v1 · 2018-03-21 · 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{2RQDDFHLNYXVR62BY4ERCVFM5F}

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	2026-05-18T00:20:23.082067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4603194eb6e2f58fb41c7091154ace9455dcfb8cd77c41398e14a6814ef1bb1

Aliases

arxiv: 1803.08351 · arxiv_version: 1803.08351v1 · doi: 10.48550/arxiv.1803.08351 · pith_short_12: 2RQDDFHLNYXV · pith_short_16: 2RQDDFHLNYXVR62B · pith_short_8: 2RQDDFHL

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/2RQDDFHLNYXVR62BY4ERCVFM5F \
  | 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: d4603194eb6e2f58fb41c7091154ace9455dcfb8cd77c41398e14a6814ef1bb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a979abc59341da1e56818779395df537741be1bca87436f30acc676f50ce61dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-03-21T11:41:44Z",
    "title_canon_sha256": "c6d8adc1377704049d5800843ffeb277cce92722e0fb6fdef1d74211279c718f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08351",
    "kind": "arxiv",
    "version": 1
  }
}