Pith Number

pith:A3L7ZSZM

pith:2018:A3L7ZSZM6L2HRLARSMCMZ27OVX

not attested not anchored not stored refs pending

The impact of the Bohr topology on selective pseudocompactness

Dmitri Shakhmatov, V\'ictor Hugo Ya\~nez

arxiv:1801.09380 v2 · 2018-01-29 · 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{A3L7ZSZM6L2HRLARSMCMZ27OVX}

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	2026-05-17T23:57:32.297159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06d7fccb2cf2f478ac119304ccebeeadd4dbf3c029a022bb843386499dc07dbc

Aliases

arxiv: 1801.09380 · arxiv_version: 1801.09380v2 · doi: 10.48550/arxiv.1801.09380 · pith_short_12: A3L7ZSZM6L2H · pith_short_16: A3L7ZSZM6L2HRLAR · pith_short_8: A3L7ZSZM

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/A3L7ZSZM6L2HRLARSMCMZ27OVX \
  | 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: 06d7fccb2cf2f478ac119304ccebeeadd4dbf3c029a022bb843386499dc07dbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3dff285297ed882338b9d204783071c7e8618bb3d8a3d7764f3de9696c3003c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-01-29T07:20:19Z",
    "title_canon_sha256": "a168a60d4edfcf50706390f40433b835df87893bb90a27f1e26ee066e2dad5a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09380",
    "kind": "arxiv",
    "version": 2
  }
}