Pith Number

pith:Q5V67UHI

pith:2017:Q5V67UHIBKZ3C3YSLBXBZOR5HE

not attested not anchored not stored refs pending

Non-existence of a Wente's $L^\infty$ estimate for the Neumann problem

Jonas Hirsch

arxiv:1707.03038 v2 · 2017-07-10 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5V67UHIBKZ3C3YSLBXBZOR5HE}

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	2026-05-18T00:02:02.111447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

876befd0e80ab3b16f12586e1cba3d391f9da6899a066c7bda109c0914bacc1a

Aliases

arxiv: 1707.03038 · arxiv_version: 1707.03038v2 · doi: 10.48550/arxiv.1707.03038 · pith_short_12: Q5V67UHIBKZ3 · pith_short_16: Q5V67UHIBKZ3C3YS · pith_short_8: Q5V67UHI

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/Q5V67UHIBKZ3C3YSLBXBZOR5HE \
  | 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: 876befd0e80ab3b16f12586e1cba3d391f9da6899a066c7bda109c0914bacc1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "761a47a74b3ad121684ba596404b8eb7bf8f0ac7e4890065a918c14e019a872f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-07-10T19:53:50Z",
    "title_canon_sha256": "4e2eb0dda26e3968ed12dce925fb61dfab9f7d690d6aa0c74ac4ba53474698f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03038",
    "kind": "arxiv",
    "version": 2
  }
}