Pith Number

pith:IFQBFUNW

pith:2015:IFQBFUNWJFBF5JKPK23NWWGQGE

not attested not anchored not stored refs pending

On the closure of translation-dilation invariant linear spaces of polynomials

J. M. Almira, L. Sz\'ekelyhidi

arxiv:1505.02370 v5 · 2015-05-10 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFQBFUNWJFBF5JKPK23NWWGQGE}

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	2026-05-18T01:25:39.136615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

416012d1b649425ea54f56b6db58d0310bf220a1299fc0e5863e6867985c7770

Aliases

arxiv: 1505.02370 · arxiv_version: 1505.02370v5 · doi: 10.48550/arxiv.1505.02370 · pith_short_12: IFQBFUNWJFBF · pith_short_16: IFQBFUNWJFBF5JKP · pith_short_8: IFQBFUNW

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/IFQBFUNWJFBF5JKPK23NWWGQGE \
  | 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: 416012d1b649425ea54f56b6db58d0310bf220a1299fc0e5863e6867985c7770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1883ea2c7c1d98dcf076b70348eb06e62676b1379dd5b57be7537ec93651b234",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-05-10T11:15:43Z",
    "title_canon_sha256": "7beaedae0af2faa4565c19cee7a1f0e48bb7354706102367b4e3adfa6bd580aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02370",
    "kind": "arxiv",
    "version": 5
  }
}