Pith Number

pith:BH7FTHBR

pith:2018:BH7FTHBRRGADHHX4MQHTBNTGH4

not attested not anchored not stored refs pending

Strong pseudo-amenability of some Banach algebras

Amir Sahami

arxiv:1802.02012 v1 · 2018-02-06 · 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{BH7FTHBRRGADHHX4MQHTBNTGH4}

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	2026-05-18T00:24:11.184202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09fe599c318980339efc640f30b6663f275f75f0b9a4fa5702ac96244d44a65c

Aliases

arxiv: 1802.02012 · arxiv_version: 1802.02012v1 · doi: 10.48550/arxiv.1802.02012 · pith_short_12: BH7FTHBRRGAD · pith_short_16: BH7FTHBRRGADHHX4 · pith_short_8: BH7FTHBR

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/BH7FTHBRRGADHHX4MQHTBNTGH4 \
  | 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: 09fe599c318980339efc640f30b6663f275f75f0b9a4fa5702ac96244d44a65c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d5880d6363aaea193f1cc92caf9db243159d1660d19c1e8ce0e86af4e1bddfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-02-06T15:49:50Z",
    "title_canon_sha256": "a9f9731c7762558fa999b9fdf312d69065bf4bcba24ea2c91420e5ae92dad3da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02012",
    "kind": "arxiv",
    "version": 1
  }
}