Pith Number

pith:B7MYIR46

pith:2019:B7MYIR46AQVZJVK4MOBZ7EVV2B

not attested not anchored not stored refs pending

Continuity and Discontinuity of Seminorms on Infinite-Dimensional Vector Spaces

Jacek Chmieli\'nski, Moshe Goldberg

arxiv:1904.09423 v1 · 2019-04-20 · 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{B7MYIR46AQVZJVK4MOBZ7EVV2B}

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	2026-05-17T23:48:04.212148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd984479e042b94d55c63839f92b5d04070dcf3ed4902b6febb151482cf7022

Aliases

arxiv: 1904.09423 · arxiv_version: 1904.09423v1 · doi: 10.48550/arxiv.1904.09423 · pith_short_12: B7MYIR46AQVZ · pith_short_16: B7MYIR46AQVZJVK4 · pith_short_8: B7MYIR46

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/B7MYIR46AQVZJVK4MOBZ7EVV2B \
  | 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: 0fd984479e042b94d55c63839f92b5d04070dcf3ed4902b6febb151482cf7022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c589a769abb051abc8ff97887bb02884429ce7d37b4d21efbb8163afe4ce26f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-04-20T09:24:20Z",
    "title_canon_sha256": "0b22d085d04ecfacd2e675166e49484f099df5ebf95a221a73775acdac65d3d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09423",
    "kind": "arxiv",
    "version": 1
  }
}