Pith Number

pith:Q7YXH3MC

pith:2013:Q7YXH3MCFZ2L322ZUBTXHHH2ZS

not attested not anchored not stored refs pending

On multi-dimensional sampling and interpolation

Alexander Olevskii, Alexander Ulanovskii

arxiv:1304.0648 v1 · 2013-04-02 · math.CA · 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{Q7YXH3MCFZ2L322ZUBTXHHH2ZS}

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	2026-05-18T03:29:14.773044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f173ed822e74bdeb59a067739cfacc9af16f7bb086109a9ff6ba9b3a4c073b

Aliases

arxiv: 1304.0648 · arxiv_version: 1304.0648v1 · doi: 10.48550/arxiv.1304.0648 · pith_short_12: Q7YXH3MCFZ2L · pith_short_16: Q7YXH3MCFZ2L322Z · pith_short_8: Q7YXH3MC

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/Q7YXH3MCFZ2L322ZUBTXHHH2ZS \
  | 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: 87f173ed822e74bdeb59a067739cfacc9af16f7bb086109a9ff6ba9b3a4c073b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff963d59db8b9f12fe0710be4288bbe1c8d9ed2cd1535fe322142b04d658746",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-04-02T14:34:59Z",
    "title_canon_sha256": "630e7eee1d2ea6149efe626887e7af290612ad294141aa8036dd91ea8ed4cb76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0648",
    "kind": "arxiv",
    "version": 1
  }
}