Pith Number

pith:RKD7S3JN

pith:2018:RKD7S3JN7JZEERWVS2SU2JMYL5

not attested not anchored not stored refs pending

Complete metric spaces with property (Z) are length metric spaces

Antonio Avil\'es, Gonzalo Mart\'inez-Cervantes

arxiv:1808.00715 v1 · 2018-08-02 · math.FA · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKD7S3JN7JZEERWVS2SU2JMYL5}

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	2026-05-18T00:09:03.583825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a87f96d2dfa724246d596a54d25985f5d55d64f688e6610ec8a04e66abac290

Aliases

arxiv: 1808.00715 · arxiv_version: 1808.00715v1 · doi: 10.48550/arxiv.1808.00715 · pith_short_12: RKD7S3JN7JZE · pith_short_16: RKD7S3JN7JZEERWV · pith_short_8: RKD7S3JN

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/RKD7S3JN7JZEERWVS2SU2JMYL5 \
  | 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: 8a87f96d2dfa724246d596a54d25985f5d55d64f688e6610ec8a04e66abac290

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10e24a1e83067dfc3f424967359274c6fbc8ebee4366dac6ab047c4c94f21593",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-08-02T09:04:55Z",
    "title_canon_sha256": "f7d0faecd4381470df1c6d4b8a3dfb96d60da4d6eea0803f7f3eb1c7c5568515"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00715",
    "kind": "arxiv",
    "version": 1
  }
}