Pith Number

pith:IRTVBGYN

pith:2008:IRTVBGYNRCBA2BHEPKKHSJM2LC

not attested not anchored not stored refs pending

Quotients of Banach spaces with the Daugavet property

Dirk Werner, Varvara Shepelska, Vladimir Kadets

arxiv:0806.1815 v1 · 2008-06-11 · 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{IRTVBGYNRCBA2BHEPKKHSJM2LC}

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	2026-05-18T01:36:52.087404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4467509b0d88820d04e47a9479259a58a15919e35d30394da4c5314ff9c46330

Aliases

arxiv: 0806.1815 · arxiv_version: 0806.1815v1 · doi: 10.48550/arxiv.0806.1815 · pith_short_12: IRTVBGYNRCBA · pith_short_16: IRTVBGYNRCBA2BHE · pith_short_8: IRTVBGYN

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/IRTVBGYNRCBA2BHEPKKHSJM2LC \
  | 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: 4467509b0d88820d04e47a9479259a58a15919e35d30394da4c5314ff9c46330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb8bbe570d5126bcbb5909f7d58fa16696f77c0d61fb85060953a6c9cc40b1b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2008-06-11T08:51:44Z",
    "title_canon_sha256": "26a135355c37a9c71c585814f129a6fb838bf500e1f09b211991a871ce80fbae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1815",
    "kind": "arxiv",
    "version": 1
  }
}