Pith Number

pith:X3W2BRD2

pith:2017:X3W2BRD2F4KIK7C42UQOCO5BVS

not attested not anchored not stored refs pending

Properties of a Hilbertian Norm for Perimeter

Felipe Hernandez

arxiv:1709.08262 v3 · 2017-09-24 · 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{X3W2BRD2F4KIK7C42UQOCO5BVS}

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	2026-05-18T00:33:12.794647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beeda0c47a2f14857c5cd520e13ba1ac8a9a68e0e7268ffa22d3806c2df31a82

Aliases

arxiv: 1709.08262 · arxiv_version: 1709.08262v3 · doi: 10.48550/arxiv.1709.08262 · pith_short_12: X3W2BRD2F4KI · pith_short_16: X3W2BRD2F4KIK7C4 · pith_short_8: X3W2BRD2

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/X3W2BRD2F4KIK7C42UQOCO5BVS \
  | 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: beeda0c47a2f14857c5cd520e13ba1ac8a9a68e0e7268ffa22d3806c2df31a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a8f0038e0781a36ee4065165ad6645f614766731914cd0b28a1340e781f74da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-09-24T21:23:50Z",
    "title_canon_sha256": "dd0f868f8cc338d056425350140945dd7e11150048f54b4d5208fe78b13d4f01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08262",
    "kind": "arxiv",
    "version": 3
  }
}