Pith Number

pith:3MMUJTWK

pith:2018:3MMUJTWKQPTBUNADWKUTKPE4HO

not attested not anchored not stored refs pending

A note on Huijsmans-de Pagter problem in ordered Banach algebras

Roman Drnov\v{s}ek

arxiv:1803.10942 v1 · 2018-03-29 · 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{3MMUJTWKQPTBUNADWKUTKPE4HO}

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	2026-05-18T00:19:49.715336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db1944ceca83e61a3403b2a9353c9c3b9845529363e7b5490088126ccc5759ab

Aliases

arxiv: 1803.10942 · arxiv_version: 1803.10942v1 · doi: 10.48550/arxiv.1803.10942 · pith_short_12: 3MMUJTWKQPTB · pith_short_16: 3MMUJTWKQPTBUNAD · pith_short_8: 3MMUJTWK

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/3MMUJTWKQPTBUNADWKUTKPE4HO \
  | 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: db1944ceca83e61a3403b2a9353c9c3b9845529363e7b5490088126ccc5759ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da7cb098cd056f2fb73e5f7632e034c5ed1172ade16cbc9ff8d8aa8e75ca3524",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-03-29T07:21:17Z",
    "title_canon_sha256": "bbe9fc3c36ef4cc281314714a68f812c2e214139c8b9d4bcc11925bdf535429f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10942",
    "kind": "arxiv",
    "version": 1
  }
}