Pith Number

pith:OMXNNCQS

pith:2019:OMXNNCQSSLLF5WC7TFPA7HE2HF

not attested not anchored not stored refs pending

New coincidence point and fixed point theorems for essential distances and $e^{0}$-metrics

Wei-Shih Du

arxiv:1907.06236 v1 · 2019-07-14 · 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{OMXNNCQSSLLF5WC7TFPA7HE2HF}

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	2026-05-17T23:40:38.164374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

732ed68a1292d65ed85f995e0f9c9a3963fd967f3eab44588a24e22bf5a9e3fb

Aliases

arxiv: 1907.06236 · arxiv_version: 1907.06236v1 · doi: 10.48550/arxiv.1907.06236 · pith_short_12: OMXNNCQSSLLF · pith_short_16: OMXNNCQSSLLF5WC7 · pith_short_8: OMXNNCQS

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/OMXNNCQSSLLF5WC7TFPA7HE2HF \
  | 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: 732ed68a1292d65ed85f995e0f9c9a3963fd967f3eab44588a24e22bf5a9e3fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1ca8f379f53edb040e0e8e74af0bf9e2d8621d3693f1caca3bdf587b7af32dd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-07-14T15:55:11Z",
    "title_canon_sha256": "025936b0438caec961ff52ed3291c3f1f2ddd7496cab8d8ef113bde42d197d7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06236",
    "kind": "arxiv",
    "version": 1
  }
}