Pith Number

pith:XZ6LO2BW

pith:2015:XZ6LO2BWBIIDOLUAORTGFMYND2

not attested not anchored not stored refs pending

Functional calculus estimates for Tadmor-Ritt operators

Felix Schwenninger

arxiv:1507.00049 v1 · 2015-06-30 · math.FA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZ6LO2BWBIIDOLUAORTGFMYND2}

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	2026-05-18T01:03:44.438672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be7cb768360a10372e80746662b30d1eb445aadd3ac3d5f58ed98eb55724591c

Aliases

arxiv: 1507.00049 · arxiv_version: 1507.00049v1 · doi: 10.48550/arxiv.1507.00049 · pith_short_12: XZ6LO2BWBIID · pith_short_16: XZ6LO2BWBIIDOLUA · pith_short_8: XZ6LO2BW

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/XZ6LO2BWBIIDOLUAORTGFMYND2 \
  | 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: be7cb768360a10372e80746662b30d1eb445aadd3ac3d5f58ed98eb55724591c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "065843df9c1bca529a316635dc9cda30c34566a9f9dd50b5876772eb2d339d29",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-06-30T21:52:29Z",
    "title_canon_sha256": "6dd9486f9096c8b67f9c4feeee508fc79cd388cf5c8557c73feacc2600627724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00049",
    "kind": "arxiv",
    "version": 1
  }
}