Pith Number

pith:KCZYU6TA

pith:2015:KCZYU6TAGBDSLFJXTS6Z2PWMDF

not attested not anchored not stored refs pending

Separable Lindenstrauss spaces whose duals lack the weak$^*$ fixed point property for nonexpansive mappings

Emanuele Casini, Enrico Miglierina, {\L}ukasz Piasecki

arxiv:1503.08875 v1 · 2015-03-30 · 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{KCZYU6TAGBDSLFJXTS6Z2PWMDF}

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	2026-05-18T02:19:51.972365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50b38a7a6030472595379cbd9d3ecc194a77e99caad44c53d03e17a5b3b132c9

Aliases

arxiv: 1503.08875 · arxiv_version: 1503.08875v1 · doi: 10.48550/arxiv.1503.08875 · pith_short_12: KCZYU6TAGBDS · pith_short_16: KCZYU6TAGBDSLFJX · pith_short_8: KCZYU6TA

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/KCZYU6TAGBDSLFJXTS6Z2PWMDF \
  | 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: 50b38a7a6030472595379cbd9d3ecc194a77e99caad44c53d03e17a5b3b132c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3d294fceff9bd4feec0b2fe3f4bb5274a8073664c5c55f61d2d7d3755afc7c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-03-30T23:31:59Z",
    "title_canon_sha256": "d7763c3a0d3aa6340d88988c83fecb94d917f594984be4d5f68858f611571381"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08875",
    "kind": "arxiv",
    "version": 1
  }
}