Pith Number

pith:A7EMKBOJ

pith:2018:A7EMKBOJQNKHERJP2EUESTRANW

not attested not anchored not stored refs pending

The least doubling constant of a metric measure space

Javier Soria, Pedro Tradacete

arxiv:1806.06758 v2 · 2018-06-18 · 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{A7EMKBOJQNKHERJP2EUESTRANW}

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	2026-05-17T23:54:59.116799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c8c505c9835472452fd128494e206daad1fc0ddd39976a8747476f023896c6

Aliases

arxiv: 1806.06758 · arxiv_version: 1806.06758v2 · doi: 10.48550/arxiv.1806.06758 · pith_short_12: A7EMKBOJQNKH · pith_short_16: A7EMKBOJQNKHERJP · pith_short_8: A7EMKBOJ

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/A7EMKBOJQNKHERJP2EUESTRANW \
  | 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: 07c8c505c9835472452fd128494e206daad1fc0ddd39976a8747476f023896c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22c020a1918da57c458cf630aafe289137baa2fdebfbaa8437830cd3f1ed7683",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-06-18T15:13:31Z",
    "title_canon_sha256": "59711690c3641938fd780966ffd3256d7fb84234d35b9c70fc9da88fd3d08a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06758",
    "kind": "arxiv",
    "version": 2
  }
}