Pith Number

pith:KZHQ4ES6

pith:2014:KZHQ4ES6CTW6LL4OO2KU7UA2V2

not attested not anchored not stored refs pending

Interpolation between Hilbert spaces

Yacin Ameur

arxiv:1401.6090 v5 · 2014-01-23 · math.FA · math.CV · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZHQ4ES6CTW6LL4OO2KU7UA2V2}

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	2026-05-17T23:41:58.489015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

564f0e125e14ede5af8e76954fd01aaeac4996011a3b4d332ff4763a868ea48c

Aliases

arxiv: 1401.6090 · arxiv_version: 1401.6090v5 · doi: 10.48550/arxiv.1401.6090 · pith_short_12: KZHQ4ES6CTW6 · pith_short_16: KZHQ4ES6CTW6LL4O · pith_short_8: KZHQ4ES6

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/KZHQ4ES6CTW6LL4OO2KU7UA2V2 \
  | 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: 564f0e125e14ede5af8e76954fd01aaeac4996011a3b4d332ff4763a868ea48c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9bf1a7a9d3679dbfc4c816317e509e2189357ece932cdf6f3bcde06f5dee05d",
    "cross_cats_sorted": [
      "math.CV",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-01-23T18:35:09Z",
    "title_canon_sha256": "2ac8ea873b99c08ecc3f0dee9e266763a0eefc31dd4454f5df0d6c1036a18cb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6090",
    "kind": "arxiv",
    "version": 5
  }
}