Pith Number

pith:7PNR3U4B

pith:2018:7PNR3U4BMPSH5J7PYYBLTWO3WP

not attested not anchored not stored refs pending

Weak orthogonal metric spaces and fixed point results

Tanusri Senapati

arxiv:1806.09928 v1 · 2018-06-26 · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PNR3U4BMPSH5J7PYYBLTWO3WP}

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	2026-05-18T00:12:22.814499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbdb1dd38163e47ea7efc602b9d9dbb3ebef7d65fb7f0e8270e2b437cb5cb017

Aliases

arxiv: 1806.09928 · arxiv_version: 1806.09928v1 · doi: 10.48550/arxiv.1806.09928 · pith_short_12: 7PNR3U4BMPSH · pith_short_16: 7PNR3U4BMPSH5J7P · pith_short_8: 7PNR3U4B

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/7PNR3U4BMPSH5J7PYYBLTWO3WP \
  | 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: fbdb1dd38163e47ea7efc602b9d9dbb3ebef7d65fb7f0e8270e2b437cb5cb017

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e062904d76f01310c08efc4b2ce544b0bc9ed20880ef5e2f4b4fc4e43308f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-06-26T11:51:43Z",
    "title_canon_sha256": "ee64494e6b38a209ee87b0ad9cebdd34b04bd5182513901d8d578be2cc308486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09928",
    "kind": "arxiv",
    "version": 1
  }
}