Pith Number

pith:4EWDU36X

pith:2016:4EWDU36X3LQXGOKDZJZINGKAAP

not attested not anchored not stored refs pending

Time and band limiting for matrix valued functions: an integral and a commuting differential operator

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

arxiv:1604.06510 v2 · 2016-04-21 · math.SP · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EWDU36X3LQXGOKDZJZINGKAAP}

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	2026-05-18T00:52:31.081304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12c3a6fd7dae1733943ca7286994003ef12e5ddac57ce1da49509525849de44

Aliases

arxiv: 1604.06510 · arxiv_version: 1604.06510v2 · doi: 10.48550/arxiv.1604.06510 · pith_short_12: 4EWDU36X3LQX · pith_short_16: 4EWDU36X3LQXGOKD · pith_short_8: 4EWDU36X

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/4EWDU36X3LQXGOKDZJZINGKAAP \
  | 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: e12c3a6fd7dae1733943ca7286994003ef12e5ddac57ce1da49509525849de44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d39d3cb1b3936c1e80328d1a7a5f028c5bdd63dbf98479eabfb47fd6768acec9",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2016-04-21T23:18:51Z",
    "title_canon_sha256": "45512a9c28f4707245ab4938997160e8d737de4864dff08f0fded63a61c33c6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06510",
    "kind": "arxiv",
    "version": 2
  }
}