Pith Number

pith:BLZBQWKD

pith:2014:BLZBQWKD2RMM4U2MEXMAN25RO6

not attested not anchored not stored refs pending

On the Covering Densities of Quarter-Convex Disks

Fei Xue, Kirati Sriamorn

arxiv:1411.4409 v4 · 2014-11-17 · math.MG · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BLZBQWKD2RMM4U2MEXMAN25RO6}

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	2026-05-18T01:22:48.726057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0af2185943d458ce534c25d806ebb177a15a5c0ff5519cd4814963c8df746af5

Aliases

arxiv: 1411.4409 · arxiv_version: 1411.4409v4 · doi: 10.48550/arxiv.1411.4409 · pith_short_12: BLZBQWKD2RMM · pith_short_16: BLZBQWKD2RMM4U2M · pith_short_8: BLZBQWKD

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/BLZBQWKD2RMM4U2MEXMAN25RO6 \
  | 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: 0af2185943d458ce534c25d806ebb177a15a5c0ff5519cd4814963c8df746af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39bf5b94cbf2df37f2a1ac0327b535398bde1dc5c14c7c979610f65243340c29",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-11-17T10:03:49Z",
    "title_canon_sha256": "e2513f560fbd012017af6de36797265562325c205c10ab00e935e7f39295e90b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4409",
    "kind": "arxiv",
    "version": 4
  }
}