Pith Number

pith:XRH4A5NZ

pith:2014:XRH4A5NZCRYTG53VITFXEMREC5

not attested not anchored not stored refs pending

An example of a rigid $\kappa$-superuniversal metric space

Wojciech Bielas

arxiv:1407.3767 v1 · 2014-07-14 · 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{XRH4A5NZCRYTG53VITFXEMREC5}

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	2026-05-18T02:47:41.725626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc4fc075b9147133777544cb7232241771150bba78b2208e7faee77cf008c255

Aliases

arxiv: 1407.3767 · arxiv_version: 1407.3767v1 · doi: 10.48550/arxiv.1407.3767 · pith_short_12: XRH4A5NZCRYT · pith_short_16: XRH4A5NZCRYTG53V · pith_short_8: XRH4A5NZ

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/XRH4A5NZCRYTG53VITFXEMREC5 \
  | 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: bc4fc075b9147133777544cb7232241771150bba78b2208e7faee77cf008c255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e30a377a11ca675afe09e50b92b77e3ec1d7a061309a088dae0b4abc3ea5c8f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-07-14T18:58:43Z",
    "title_canon_sha256": "1f72ab1767ddcaa1d45a86fee32adc70b34f741b67a1304be9bdd939f0729890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3767",
    "kind": "arxiv",
    "version": 1
  }
}