Pith Number

pith:V5Q263XM

pith:2018:V5Q263XMVEROYTATYLOZM6IOMH

not attested not anchored not stored refs pending

Diagonals of operators and Blaschke's enigma

Vladimir Muller, Yuri Tomilov

arxiv:1805.08188 v2 · 2018-05-21 · 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{V5Q263XMVEROYTATYLOZM6IOMH}

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	2026-05-17T23:56:10.035488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af61af6eeca922ec4c13c2dd96790e61e05aee0b10266496c085142e43e96ff2

Aliases

arxiv: 1805.08188 · arxiv_version: 1805.08188v2 · doi: 10.48550/arxiv.1805.08188 · pith_short_12: V5Q263XMVERO · pith_short_16: V5Q263XMVEROYTAT · pith_short_8: V5Q263XM

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/V5Q263XMVEROYTATYLOZM6IOMH \
  | 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: af61af6eeca922ec4c13c2dd96790e61e05aee0b10266496c085142e43e96ff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "357051651eb59b6a974f3c54bd510ebc36c57201cf3e16d08c433c098ca535fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-05-21T17:17:15Z",
    "title_canon_sha256": "984692ff1dcc86564c59e4b5eeefd9ce22cbcce5834801d1e5cf99c183949d2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08188",
    "kind": "arxiv",
    "version": 2
  }
}