Pith Number

pith:W65BRL7C

pith:2018:W65BRL7CHI4VXSZW275DAXNPNP

not attested not anchored not stored refs pending

A Short Note on a Weighted Friedrichs Inequality

Dirk Pauly, Immanuel Anjam

arxiv:1809.04577 v3 · 2018-09-12 · math.AP · 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{W65BRL7CHI4VXSZW275DAXNPNP}

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	2026-05-17T23:52:09.381906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7ba18afe23a395bcb36d7fa305daf6bc1f0e50de72cf556cde1759d2071a877

Aliases

arxiv: 1809.04577 · arxiv_version: 1809.04577v3 · doi: 10.48550/arxiv.1809.04577 · pith_short_12: W65BRL7CHI4V · pith_short_16: W65BRL7CHI4VXSZW · pith_short_8: W65BRL7C

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/W65BRL7CHI4VXSZW275DAXNPNP \
  | 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: b7ba18afe23a395bcb36d7fa305daf6bc1f0e50de72cf556cde1759d2071a877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d0366815877778f180a153e8edcb7542b0313e7419cbf9cc595c67709e223a5",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-12T17:38:28Z",
    "title_canon_sha256": "3bad47838ebec0ac4ccbff3cdd559b81a1645713a173878a84c137eaf86885b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04577",
    "kind": "arxiv",
    "version": 3
  }
}