Pith Number

pith:UCK24WLF

pith:2019:UCK24WLFO653CKDMCCSVMST46R

not attested not anchored not stored refs pending

On sets in ${\mathbb R}^d$ with DC distance function

Du\v{s}an Pokorn\'y, Lud\v{e}k Zaj\'i\v{c}ek

arxiv:1904.12223 v2 · 2019-04-27 · 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{UCK24WLFO653CKDMCCSVMST46R}

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	2026-05-17T23:42:48.153872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a095ae596577bbb1286c10a5564a7cf460604a195e7083285a19db14cc319fd0

Aliases

arxiv: 1904.12223 · arxiv_version: 1904.12223v2 · doi: 10.48550/arxiv.1904.12223 · pith_short_12: UCK24WLFO653 · pith_short_16: UCK24WLFO653CKDM · pith_short_8: UCK24WLF

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/UCK24WLFO653CKDMCCSVMST46R \
  | 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: a095ae596577bbb1286c10a5564a7cf460604a195e7083285a19db14cc319fd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d36744c0dc057b0d19478bb73e9249ce0864ea3630e50da3c0de8aeba606640a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-04-27T22:56:53Z",
    "title_canon_sha256": "6ab32cbc781424023ea5e3c88b0ccfedae4d112dd4748c4184f66c2bb0147b18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12223",
    "kind": "arxiv",
    "version": 2
  }
}