pith. sign in
Pith Number

pith:7DGJ6WN5

pith:2005:7DGJ6WN54TSX4UKAP5YDKXN4V5
not attested not anchored not stored refs pending

On some classes of Lindel\"of Sigma-spaces

Oleg Okunev, Paul J. Szeptycki, Wieslaw Kubis

arxiv:math/0511606 v1 · 2005-11-24 · math.GN

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7DGJ6WN54TSX4UKAP5YDKXN4V5}

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 2026-05-18T03:42:34.293711Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f8cc9f59bde4e57e51407f70355dbcaf53d5c11a531fdfe07509dbca40b10395

Aliases

arxiv: math/0511606 · arxiv_version: math/0511606v1 · doi: 10.48550/arxiv.math/0511606 · pith_short_12: 7DGJ6WN54TSX · pith_short_16: 7DGJ6WN54TSX4UKA · pith_short_8: 7DGJ6WN5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7DGJ6WN54TSX4UKAP5YDKXN4V5 \
  | 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: f8cc9f59bde4e57e51407f70355dbcaf53d5c11a531fdfe07509dbca40b10395
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "744f608c7a94619dbb88b23d38647a9c10274c2fcfb5d3c91fd71840de067110",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GN",
    "submitted_at": "2005-11-24T11:03:58Z",
    "title_canon_sha256": "d749948948bb37d2b91232d1c5de6349a252a5c5e27d262a708a512aea4cea5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0511606",
    "kind": "arxiv",
    "version": 1
  }
}