Pith Number

pith:JQ7ETBMQ

pith:2017:JQ7ETBMQHYEAQI56U2FSZT6CIO

not attested not anchored not stored refs pending

Two properties of M\"untz spaces

Aleksander Leraand, Andr\'e Martiny, Olav Nygaard, Trond A. Abrahamsen

arxiv:1702.06367 v1 · 2017-02-21 · 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{JQ7ETBMQHYEAQI56U2FSZT6CIO}

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	2026-05-18T00:50:14.339956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c3e4985903e080823bea68b2ccfc243a761c419e47d1499a835c4531404326e

Aliases

arxiv: 1702.06367 · arxiv_version: 1702.06367v1 · doi: 10.48550/arxiv.1702.06367 · pith_short_12: JQ7ETBMQHYEA · pith_short_16: JQ7ETBMQHYEAQI56 · pith_short_8: JQ7ETBMQ

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/JQ7ETBMQHYEAQI56U2FSZT6CIO \
  | 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: 4c3e4985903e080823bea68b2ccfc243a761c419e47d1499a835c4531404326e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f205b8e450a9b4e8aaed2d317116feb351053ceb3e49b904f5a5847319544b6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-02-21T13:10:18Z",
    "title_canon_sha256": "822561243b357e7100bef69d9d8650db75b8ae322ae170bd2cd65a2887750ea6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06367",
    "kind": "arxiv",
    "version": 1
  }
}