Pith Number

pith:SSB4HDQU

pith:2019:SSB4HDQUAWCQRQZMT3DSNKMEFE

not attested not anchored not stored refs pending

Improved fractional Poincar\'e type inequalities on John domains

Irene Drelichman, Javier C. Mart\'inez-Perales, Mar\'ia Eugenia Cejas

arxiv:1902.10578 v1 · 2019-02-27 · 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{SSB4HDQUAWCQRQZMT3DSNKMEFE}

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	2026-05-17T23:52:30.473646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9483c38e14058508c32c9ec726a9842928a53b84453f01f9d1c8adbaeb85b2b8

Aliases

arxiv: 1902.10578 · arxiv_version: 1902.10578v1 · doi: 10.48550/arxiv.1902.10578 · pith_short_12: SSB4HDQUAWCQ · pith_short_16: SSB4HDQUAWCQRQZM · pith_short_8: SSB4HDQU

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/SSB4HDQUAWCQRQZMT3DSNKMEFE \
  | 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: 9483c38e14058508c32c9ec726a9842928a53b84453f01f9d1c8adbaeb85b2b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dac1f544638808bde226285b8ca3a57b71eac83077670c5ffc99726cec917d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-02-27T15:16:30Z",
    "title_canon_sha256": "58165a8f884f5e2ee6e794deceff091cde61ca316e9967a907b6498cc1679c4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10578",
    "kind": "arxiv",
    "version": 1
  }
}