Pith Number

pith:XWRPBOEU

pith:2012:XWRPBOEUY3JPWHQ4BGBDECYNYB

not attested not anchored not stored refs pending

Strictly singular non-compact operators on a class of HI spaces

Anna Pelczar-Barwacz, Antonis Manoussakis

arxiv:1203.0243 v1 · 2012-03-01 · 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{XWRPBOEUY3JPWHQ4BGBDECYNYB}

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	2026-05-18T02:57:53.749395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda2f0b894c6d2fb1e1c0982320b0dc048a64113f4314d9f2282c7a736ab4054

Aliases

arxiv: 1203.0243 · arxiv_version: 1203.0243v1 · doi: 10.48550/arxiv.1203.0243 · pith_short_12: XWRPBOEUY3JP · pith_short_16: XWRPBOEUY3JPWHQ4 · pith_short_8: XWRPBOEU

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/XWRPBOEUY3JPWHQ4BGBDECYNYB \
  | 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: bda2f0b894c6d2fb1e1c0982320b0dc048a64113f4314d9f2282c7a736ab4054

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f9628b23b84dfd82c5a16767df7298d35024753f709b0c081d0d3de099db1cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2012-03-01T17:01:38Z",
    "title_canon_sha256": "da14d902545272d687cfad90ff9c4b84c92944244fdccf029b417fad778a43bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0243",
    "kind": "arxiv",
    "version": 1
  }
}