Pith Number

pith:YCKQV6WG

pith:1997:YCKQV6WGVLKODHRY42BDSIA54C

not attested not anchored not stored refs pending

Distances between Banach spaces

Mikhail I. Ostrovskii, Nigel J. Kalton

arxiv:math/9709211 v1 · 1997-09-08 · 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{YCKQV6WGVLKODHRY42BDSIA54C}

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	2026-05-18T04:41:16.600186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0950afac6aad4e19e38e68239201de09f85514b9fed769c3868f6cfdc15b71c

Aliases

arxiv: math/9709211 · arxiv_version: math/9709211v1 · doi: 10.48550/arxiv.math/9709211 · pith_short_12: YCKQV6WGVLKO · pith_short_16: YCKQV6WGVLKODHRY · pith_short_8: YCKQV6WG

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/YCKQV6WGVLKODHRY42BDSIA54C \
  | 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: c0950afac6aad4e19e38e68239201de09f85514b9fed769c3868f6cfdc15b71c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca928d3785c6f18e6dcc030b8707cb05837d53749711423efda33780e50308f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1997-09-08T00:00:00Z",
    "title_canon_sha256": "3a97f0ee3896728be366ce7ee03dac5739b43d4a34fe9f7e982e6bb31ddc0ce2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9709211",
    "kind": "arxiv",
    "version": 1
  }
}