Pith Number

pith:LWQ5M4L6

pith:2019:LWQ5M4L6JVYF4H2OTVXTOQ2MVS

not attested not anchored not stored refs pending

On Fourier restriction for finite-type perturbations of the hyperboloid

Ana Vargas, Detlef M\"uller, Stefan Buschenhenke

arxiv:1902.05442 v2 · 2019-02-13 · 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{LWQ5M4L6JVYF4H2OTVXTOQ2MVS}

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	2026-05-17T23:39:55.033744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5da1d6717e4d705e1f4e9d6f37434cac82376feebc34efdaa372e6c0b2e2779f

Aliases

arxiv: 1902.05442 · arxiv_version: 1902.05442v2 · doi: 10.48550/arxiv.1902.05442 · pith_short_12: LWQ5M4L6JVYF · pith_short_16: LWQ5M4L6JVYF4H2O · pith_short_8: LWQ5M4L6

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/LWQ5M4L6JVYF4H2OTVXTOQ2MVS \
  | 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: 5da1d6717e4d705e1f4e9d6f37434cac82376feebc34efdaa372e6c0b2e2779f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7db95621fdb72d842c3dd87b3eb78ec595af561a4cdda33faf3fd81422c1f50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-02-13T16:36:48Z",
    "title_canon_sha256": "42b8e9486c340b27aae3c72fe966ed6f11ab42c01730b17a65aeed4f59cc5656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05442",
    "kind": "arxiv",
    "version": 2
  }
}