Pith Number

pith:7NENYQ6J

pith:2014:7NENYQ6JM7IB3DD4TBWLKMMI57

not attested not anchored not stored refs pending

Nonlinear order isomorphisms on function spaces

Denny H. Leung, Wee-Kee Tang

arxiv:1408.4930 v1 · 2014-08-21 · 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{7NENYQ6JM7IB3DD4TBWLKMMI57}

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	2026-05-18T02:44:41.252436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb48dc43c967d01d8c7c986cb53188efeb8572e44fe0c1da3df4abca5f5ef887

Aliases

arxiv: 1408.4930 · arxiv_version: 1408.4930v1 · doi: 10.48550/arxiv.1408.4930 · pith_short_12: 7NENYQ6JM7IB · pith_short_16: 7NENYQ6JM7IB3DD4 · pith_short_8: 7NENYQ6J

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/7NENYQ6JM7IB3DD4TBWLKMMI57 \
  | 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: fb48dc43c967d01d8c7c986cb53188efeb8572e44fe0c1da3df4abca5f5ef887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c58b4ede3abf548ab6158c48a6d097c0971adf39a45dc36e70e2aad5c860edb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-08-21T09:29:26Z",
    "title_canon_sha256": "25c9dfc93e448acbb8b03233c48f4daa6f1509c5412f2592e2c884595c7f2d47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4930",
    "kind": "arxiv",
    "version": 1
  }
}