Pith Number

pith:O525ZSFW

pith:1994:O525ZSFWVIEBDJ2S66SLHB4ZFK

not attested not anchored not stored refs pending

Closed ideals of the algebra of absolutely convergent Taylor series

Elizabeth Strouse, Fouad Zouakia, Jean Esterle

arxiv:math/9407215 v1 · 1994-07-01 · math.FA · 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{O525ZSFWVIEBDJ2S66SLHB4ZFK}

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	2026-05-18T01:05:51.237177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7775dcc8b6aa0811a752f7a4b387992a8455995b09850e9a9728f3d3e40d27e4

Aliases

arxiv: math/9407215 · arxiv_version: math/9407215v1 · doi: 10.48550/arxiv.math/9407215 · pith_short_12: O525ZSFWVIEB · pith_short_16: O525ZSFWVIEBDJ2S · pith_short_8: O525ZSFW

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/O525ZSFWVIEBDJ2S66SLHB4ZFK \
  | 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: 7775dcc8b6aa0811a752f7a4b387992a8455995b09850e9a9728f3d3e40d27e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23c4fd35a90c389cae62d725f5211b9cdc56c95d846d14c882b673c3b4a8cb9e",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1994-07-01T00:00:00Z",
    "title_canon_sha256": "745598c3c2ff1797078d1f793bc041b6deb972d64c0f5f1fdbce872627bdedf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9407215",
    "kind": "arxiv",
    "version": 1
  }
}