Pith Number

pith:I2T7ARM3

pith:1992:I2T7ARM3IOWBZBQ4OESDYW4TFA

not attested not anchored not stored refs pending

A characterization of Banach spaces containing $c_0$

Haskell P. Rosenthal

arxiv:math/9210205 v1 · 1992-10-08 · 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{I2T7ARM3IOWBZBQ4OESDYW4TFA}

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	2026-05-18T01:05:52.591940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46a7f0459b43ac1c861c71243c5b93280ab7a6071e01c8f87f2c4abd1d9c6b67

Aliases

arxiv: math/9210205 · arxiv_version: math/9210205v1 · doi: 10.48550/arxiv.math/9210205 · pith_short_12: I2T7ARM3IOWB · pith_short_16: I2T7ARM3IOWBZBQ4 · pith_short_8: I2T7ARM3

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/I2T7ARM3IOWBZBQ4OESDYW4TFA \
  | 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: 46a7f0459b43ac1c861c71243c5b93280ab7a6071e01c8f87f2c4abd1d9c6b67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04a4b962509113209d81660060ab79c7023b900e6afbab77ede974701c3ec3ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1992-10-08T15:45:24Z",
    "title_canon_sha256": "a61585fd6b9d30e14e1d02f3eae0232583ace8e6a28bc3235fbaee7cfbb1da01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9210205",
    "kind": "arxiv",
    "version": 1
  }
}