Pith Number

pith:QTZPNW32

pith:2017:QTZPNW32LG2VVTBVEPFEBTBMIO

not attested not anchored not stored refs pending

Selectively sequentially pseudocompact group topologies on torsion and torsion-free Abelian groups

Alejandro Dorantes-Aldama, Dmitri Shakhmatov

arxiv:1708.06587 v1 · 2017-08-22 · math.GN · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTZPNW32LG2VVTBVEPFEBTBMIO}

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	2026-05-18T00:35:03.610153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84f2f6db7a59b55acc3523ca40cc2c43ac75b0577ee1fd818ebf994baf8acd3c

Aliases

arxiv: 1708.06587 · arxiv_version: 1708.06587v1 · doi: 10.48550/arxiv.1708.06587 · pith_short_12: QTZPNW32LG2V · pith_short_16: QTZPNW32LG2VVTBV · pith_short_8: QTZPNW32

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/QTZPNW32LG2VVTBVEPFEBTBMIO \
  | 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: 84f2f6db7a59b55acc3523ca40cc2c43ac75b0577ee1fd818ebf994baf8acd3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "608a8ddb0b39c889353e88bbcc03dea7d7be417fedc2adc6a70457de80ae945b",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-08-22T12:53:46Z",
    "title_canon_sha256": "7e1481a360cde6427c0039bbfea489d2b2d1a2e430727f3ae154a968dc0c7430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06587",
    "kind": "arxiv",
    "version": 1
  }
}