Pith Number

pith:CB5P434C

pith:2012:CB5P434CDKDRXGYGDQDX3ZYNCU

not attested not anchored not stored refs pending

On soft topological space via semiopen and semiclosed soft sets

J. Mahanta, P.K. Das

arxiv:1203.4133 v1 · 2012-03-16 · 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{CB5P434CDKDRXGYGDQDX3ZYNCU}

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	2026-05-18T03:59:48.244934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

107afe6f821a871b9b061c077de70d150ebed491e620196b8e3075390535a6f8

Aliases

arxiv: 1203.4133 · arxiv_version: 1203.4133v1 · doi: 10.48550/arxiv.1203.4133 · pith_short_12: CB5P434CDKDR · pith_short_16: CB5P434CDKDRXGYG · pith_short_8: CB5P434C

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/CB5P434CDKDRXGYGDQDX3ZYNCU \
  | 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: 107afe6f821a871b9b061c077de70d150ebed491e620196b8e3075390535a6f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4071bb493a9529cd4135e20791579a921723586e7ca3023391fa17f9330e7062",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2012-03-16T07:12:01Z",
    "title_canon_sha256": "95c42da3191c128a7500617a4b2acd1c2f683c5396203e8bf325b981942df8e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4133",
    "kind": "arxiv",
    "version": 1
  }
}