Pith Number

pith:WTAGTHRE

pith:2018:WTAGTHREQ6YRD6OUKPNFW6RGTJ

not attested not anchored not stored refs pending

Bispectrality and Time-Band-Limiting: Matrix valued polynomials

F. Alberto Gr\"unbaum, Ignacio N. Zurri\'an, In\'es Pacharoni

arxiv:1801.10261 v1 · 2018-01-31 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTAGTHREQ6YRD6OUKPNFW6RGTJ}

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	2026-05-18T00:03:37.056577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c0699e2487b111f9d453da5b7a269a456e452a078ff2a3a1b4d8c04e81065f

Aliases

arxiv: 1801.10261 · arxiv_version: 1801.10261v1 · doi: 10.48550/arxiv.1801.10261 · pith_short_12: WTAGTHREQ6YR · pith_short_16: WTAGTHREQ6YRD6OU · pith_short_8: WTAGTHRE

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/WTAGTHREQ6YRD6OUKPNFW6RGTJ \
  | 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: b4c0699e2487b111f9d453da5b7a269a456e452a078ff2a3a1b4d8c04e81065f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f815fae8e132364e1fd18239b83e32e6e55b4332991b1a6bce7abc07adee3f09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-01-31T01:01:28Z",
    "title_canon_sha256": "e6d6b22be000bff373e389731d02b827d3e94a496e379ccfd140829028506f45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10261",
    "kind": "arxiv",
    "version": 1
  }
}