Pith Number

pith:BQB2BNIH

pith:2018:BQB2BNIHFQC3LKXZIPVEXO7O2L

not attested not anchored not stored refs pending

Topological structure of quasi-partial b-metric-like spaces and some fixed point theorems

Anuradha Gupta, Manu Rohilla

arxiv:1812.00751 v1 · 2018-11-22 · 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{BQB2BNIHFQC3LKXZIPVEXO7O2L}

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	2026-05-17T23:59:19.098783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c03a0b5072c05b5aaf943ea4bbbeed2c5e8500dab12e3bde57dd643f980c1f8

Aliases

arxiv: 1812.00751 · arxiv_version: 1812.00751v1 · doi: 10.48550/arxiv.1812.00751 · pith_short_12: BQB2BNIHFQC3 · pith_short_16: BQB2BNIHFQC3LKXZ · pith_short_8: BQB2BNIH

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/BQB2BNIHFQC3LKXZIPVEXO7O2L \
  | 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: 0c03a0b5072c05b5aaf943ea4bbbeed2c5e8500dab12e3bde57dd643f980c1f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1bc46353975229c246fa9a81b8a00aabc0ec79d450a7ec44278f2be5585be6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-11-22T13:45:11Z",
    "title_canon_sha256": "3e27b107baeb46d516728b49d9b1c531620b1aec08811afc0ae0b92ad6718587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00751",
    "kind": "arxiv",
    "version": 1
  }
}