Pith Number

pith:R6NXEQ5D

pith:2019:R6NXEQ5DXWV7OKGHUPSDPW256Q

not attested not anchored not stored refs pending

An $L^p$-comparison, $p\in (1,\infty)$, on the finite differences of a discrete harmonic function at the boundary of a discrete box

Tuan Anh Nguyen

arxiv:1905.08151 v3 · 2019-05-20 · math.NA · cs.NA · math.AP · 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{R6NXEQ5DXWV7OKGHUPSDPW256Q}

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	2026-05-17T23:41:30.328906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f9b7243a3bdabf728c7a3e437db5df42185f28c95a342a368126de666b7c9f4

Aliases

arxiv: 1905.08151 · arxiv_version: 1905.08151v3 · doi: 10.48550/arxiv.1905.08151 · pith_short_12: R6NXEQ5DXWV7 · pith_short_16: R6NXEQ5DXWV7OKGH · pith_short_8: R6NXEQ5D

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/R6NXEQ5DXWV7OKGHUPSDPW256Q \
  | 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: 8f9b7243a3bdabf728c7a3e437db5df42185f28c95a342a368126de666b7c9f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f21bc967969df78cc99df416f0fb88db58eaad6a6e5df206c5526bd9b20ad532",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-20T14:55:27Z",
    "title_canon_sha256": "93f9ab06317f807e249282a1bebdc6757eeb7f07d8d83cc503c3db76dc037047"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08151",
    "kind": "arxiv",
    "version": 3
  }
}