Pith Number

pith:BY44ZMJM

pith:2004:BY44ZMJMGXWUE5TG6ZOCRVWPGO

not attested not anchored not stored refs pending

Making group topologies with, and without, convergent sequences

F. J. Trigos-Arrieta, S. U. Raczkowski, W. W. Comfort

arxiv:math/0402443 v1 · 2004-02-26 · 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{BY44ZMJMGXWUE5TG6ZOCRVWPGO}

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	2026-05-18T03:10:58.836096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e39ccb12c35ed427666f65c28d6cf33bc6c9464c838470fad63c91ca755b9e9

Aliases

arxiv: math/0402443 · arxiv_version: math/0402443v1 · doi: 10.48550/arxiv.math/0402443 · pith_short_12: BY44ZMJMGXWU · pith_short_16: BY44ZMJMGXWUE5TG · pith_short_8: BY44ZMJM

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/BY44ZMJMGXWUE5TG6ZOCRVWPGO \
  | 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: 0e39ccb12c35ed427666f65c28d6cf33bc6c9464c838470fad63c91ca755b9e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b7c8df3e86ed894e2a173e3ce074b6f760d4ff74cfbdaff7b9f6e55e1d4b07c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GN",
    "submitted_at": "2004-02-26T22:36:16Z",
    "title_canon_sha256": "7be82ed4f0509d8832c6db46289f2d1e01c7731285f5acc4ec9ee3cc3eab3529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0402443",
    "kind": "arxiv",
    "version": 1
  }
}