Pith Number

pith:EDV2VWA4

pith:2019:EDV2VWA4YL7P6A2OV3RHXQDD4H

not attested not anchored not stored refs pending

Amenability modulo an ideal of Frechet algebras

Ali Rejali, Somayeh Rahnama

arxiv:1901.02180 v1 · 2019-01-08 · 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{EDV2VWA4YL7P6A2OV3RHXQDD4H}

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	2026-05-17T23:56:43.847770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20ebaad81cc2feff034eaee27bc063e1dc1aeb2faac95ce53384ece7ccca8aac

Aliases

arxiv: 1901.02180 · arxiv_version: 1901.02180v1 · doi: 10.48550/arxiv.1901.02180 · pith_short_12: EDV2VWA4YL7P · pith_short_16: EDV2VWA4YL7P6A2O · pith_short_8: EDV2VWA4

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/EDV2VWA4YL7P6A2OV3RHXQDD4H \
  | 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: 20ebaad81cc2feff034eaee27bc063e1dc1aeb2faac95ce53384ece7ccca8aac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42c8814c3a0a481e75f510c7b6bbf6c728ca951934f936593f65de4aed620e82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-01-08T07:13:01Z",
    "title_canon_sha256": "58130ea906cca9dd5d67f751c15b3cad6a7421b1022d2003d92268ad33d89de4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02180",
    "kind": "arxiv",
    "version": 1
  }
}