Pith Number

pith:X27XYBRJ

pith:2018:X27XYBRJYXNVWBNEIWWDAYCJD7

not attested not anchored not stored refs pending

A Note on I^K and I^K*-convergence in topological spaces

Amar Kumar Banerjee, Mahendranath Paul

arxiv:1807.11772 v1 · 2018-07-31 · 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{X27XYBRJYXNVWBNEIWWDAYCJD7}

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	2026-05-18T00:09:21.133725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bebf7c0629c5db5b05a445ac3060491feff808c86aad2b1c67ecdf15ce869078

Aliases

arxiv: 1807.11772 · arxiv_version: 1807.11772v1 · doi: 10.48550/arxiv.1807.11772 · pith_short_12: X27XYBRJYXNV · pith_short_16: X27XYBRJYXNVWBNE · pith_short_8: X27XYBRJ

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/X27XYBRJYXNVWBNEIWWDAYCJD7 \
  | 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: bebf7c0629c5db5b05a445ac3060491feff808c86aad2b1c67ecdf15ce869078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3200a1ee0ee1c8426e494a0196b223b410f767136d3e718b3f2e85e59d6f6beb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-07-31T11:54:24Z",
    "title_canon_sha256": "95528bcfdbf5376ee85581931343afda6d22e764cdbdf77d1a3cc2b1db4dd359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11772",
    "kind": "arxiv",
    "version": 1
  }
}