Pith Number

pith:JYLYXSHZ

pith:2015:JYLYXSHZQAOMGMK52RJMI2ZTOG

not attested not anchored not stored refs pending

Solution to the Khavinson problem near the boundary of the unit ball

Marijan Markovic

arxiv:1508.00125 v2 · 2015-08-01 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JYLYXSHZQAOMGMK52RJMI2ZTOG}

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	2026-05-18T01:19:11.892407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e178bc8f9801cc3315dd452c46b337186d6e80caaa08be565b6b732a8e7eeb8

Aliases

arxiv: 1508.00125 · arxiv_version: 1508.00125v2 · doi: 10.48550/arxiv.1508.00125 · pith_short_12: JYLYXSHZQAOM · pith_short_16: JYLYXSHZQAOMGMK5 · pith_short_8: JYLYXSHZ

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/JYLYXSHZQAOMGMK52RJMI2ZTOG \
  | 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: 4e178bc8f9801cc3315dd452c46b337186d6e80caaa08be565b6b732a8e7eeb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c52baa2838c155d1bc7ad83143d4f777fd69d576cc24bd24dca8c2c5ec691c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-08-01T13:51:10Z",
    "title_canon_sha256": "340157c3225588dbfa06232081aae22f8c5a99e7e0cfa51ea98499cff0dc9b38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00125",
    "kind": "arxiv",
    "version": 2
  }
}