Pith Number

pith:SIHMZAIY

pith:2020:SIHMZAIYD3I7HETM5CX3EUJFZJ

not attested not anchored not stored refs pending

Solutions to the $\sigma_k$-Loewner-Nirenberg problem on annuli are locally Lipschitz and not differentiable

Luc Nguyen, Yanyan Li

arxiv:2001.04257 v2 · 2020-01-13 · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIHMZAIYD3I7HETM5CX3EUJFZJ}

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	2026-07-05T00:59:43.086326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920ecc81181ed1f3926ce8afb25125ca559794890b48715fead8599051b0889a

Aliases

arxiv: 2001.04257 · arxiv_version: 2001.04257v2 · doi: 10.48550/arxiv.2001.04257 · pith_short_12: SIHMZAIYD3I7 · pith_short_16: SIHMZAIYD3I7HETM · pith_short_8: SIHMZAIY

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/SIHMZAIYD3I7HETM5CX3EUJFZJ \
  | 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: 920ecc81181ed1f3926ce8afb25125ca559794890b48715fead8599051b0889a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a114fa0b5b5c409f4667539428ab8a7e4649d9d4cc7b433ac5e4b8292d7f0005",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-01-13T14:13:00Z",
    "title_canon_sha256": "f998d1ff5495728e7a610da2fa65af1ca3dd1edfa27ba6edf40a86f60c71f86d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.04257",
    "kind": "arxiv",
    "version": 2
  }
}