Pith Number

pith:OI64HUNO

pith:2018:OI64HUNO66MUUGYTR6Q3IYDR6R

not attested not anchored not stored refs pending

On a question related to bounded approximate identities of ideals in Banach algebras

Mohammad Fozouni

arxiv:1812.07257 v1 · 2018-12-18 · 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{OI64HUNO66MUUGYTR6Q3IYDR6R}

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	2026-05-17T23:58:01.049745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

723dc3d1aef7994a1b138fa1b46071f45da93b334b5fea7d1c931a27ec1267f4

Aliases

arxiv: 1812.07257 · arxiv_version: 1812.07257v1 · doi: 10.48550/arxiv.1812.07257 · pith_short_12: OI64HUNO66MU · pith_short_16: OI64HUNO66MUUGYT · pith_short_8: OI64HUNO

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/OI64HUNO66MUUGYTR6Q3IYDR6R \
  | 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: 723dc3d1aef7994a1b138fa1b46071f45da93b334b5fea7d1c931a27ec1267f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeadee8944a6df2fc3bda45c387fdb5c4ac10226dbc50e5a490397504e09e86d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-12-18T09:33:54Z",
    "title_canon_sha256": "497ee8360f7d17f946aefe96784b3c3d74023fa3616a59d7347a68f5a6b24229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07257",
    "kind": "arxiv",
    "version": 1
  }
}