Pith Number

pith:F57WJML7

pith:2015:F57WJML7FUNZFIWBSBX6M2UDWR

not attested not anchored not stored refs pending

Nearest points and delta convex functions in Banach spaces

Jonathan M. Borwein, Ohad Giladi

arxiv:1510.04471 v1 · 2015-10-15 · 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{F57WJML7FUNZFIWBSBX6M2UDWR}

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	2026-05-17T23:53:34.361867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f7f64b17f2d1b92a2c1906fe66a83b477a455dab933ac9ae30bc60939bfd17e

Aliases

arxiv: 1510.04471 · arxiv_version: 1510.04471v1 · doi: 10.48550/arxiv.1510.04471 · pith_short_12: F57WJML7FUNZ · pith_short_16: F57WJML7FUNZFIWB · pith_short_8: F57WJML7

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/F57WJML7FUNZFIWBSBX6M2UDWR \
  | 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: 2f7f64b17f2d1b92a2c1906fe66a83b477a455dab933ac9ae30bc60939bfd17e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53d04c78612d288958d9c8e31dc5071c796251f373c69cae95e7cfad51ccbd43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-10-15T11:12:10Z",
    "title_canon_sha256": "5090c9c20915fcc2ae2fdd01f169afa142fc570cb76a5ab69e4238d028cdaf87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04471",
    "kind": "arxiv",
    "version": 1
  }
}