Pith Number

pith:5EYZH5SF

pith:2011:5EYZH5SFNGHWJAG25I47BGWLBA

not attested not anchored not stored refs pending

Truncated Toeplitz operators and boundary values in nearly invariant subspaces

Andreas Hartmann (IMB), William T. Ross

arxiv:1101.3771 v1 · 2011-01-19 · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EYZH5SFNGHWJAG25I47BGWLBA}

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	2026-05-18T04:31:21.675990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e93193f645698f6480daea39f09acb08025c836e8229ab6c48aac088d09b8e0b

Aliases

arxiv: 1101.3771 · arxiv_version: 1101.3771v1 · doi: 10.48550/arxiv.1101.3771 · pith_short_12: 5EYZH5SFNGHW · pith_short_16: 5EYZH5SFNGHWJAG2 · pith_short_8: 5EYZH5SF

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/5EYZH5SFNGHWJAG25I47BGWLBA \
  | 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: e93193f645698f6480daea39f09acb08025c836e8229ab6c48aac088d09b8e0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3cc4677b8b40a457fb4e4f4abc267eb1da270d9a30bfefa357eccb1b88f267f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-01-19T20:43:42Z",
    "title_canon_sha256": "abbc453cefd77911aadeebf4e9e7bcca5fdec495eb6a5cd04c421809df46130c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3771",
    "kind": "arxiv",
    "version": 1
  }
}