Pith Number

pith:XBDYPPKI

pith:2003:XBDYPPKIMML6ZYJRF77CZCWPP7

not attested not anchored not stored refs pending

A Banach space with the Schur and the Daugavet property

Dirk Werner, Vladimir Kadets

arxiv:math/0301182 v1 · 2003-01-17 · 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{XBDYPPKIMML6ZYJRF77CZCWPP7}

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	2026-05-18T04:26:44.092759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b84787bd486317ece1312ffe2c8acf7ffb40e4f62d612bf0b1a2a1f86ccf41f9

Aliases

arxiv: math/0301182 · arxiv_version: math/0301182v1 · doi: 10.48550/arxiv.math/0301182 · pith_short_12: XBDYPPKIMML6 · pith_short_16: XBDYPPKIMML6ZYJR · pith_short_8: XBDYPPKI

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/XBDYPPKIMML6ZYJRF77CZCWPP7 \
  | 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: b84787bd486317ece1312ffe2c8acf7ffb40e4f62d612bf0b1a2a1f86ccf41f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "081c750dbaa5ffef2bc7fc80a5623d252628c37a61e1e93c46718794a9335df7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "2003-01-17T10:07:04Z",
    "title_canon_sha256": "0b2029ec5652b02d1357774f79062b02e689611607a244ec57941798d9921915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0301182",
    "kind": "arxiv",
    "version": 1
  }
}