Pith Number

pith:WJPW5XX6

pith:2013:WJPW5XX6L4J5XDG7QPV3SKEUQY

not attested not anchored not stored refs pending

Approximation Rates for Interpolation of Sobolev Functions via Gaussians and Allied Functions

Keaton Hamm

arxiv:1310.2892 v3 · 2013-10-10 · 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{WJPW5XX6L4J5XDG7QPV3SKEUQY}

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	2026-05-18T01:23:29.984288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b25f6edefe5f13db8cdf83ebb928948616fd5700b5deb87adfb6a4f6bf98e276

Aliases

arxiv: 1310.2892 · arxiv_version: 1310.2892v3 · doi: 10.48550/arxiv.1310.2892 · pith_short_12: WJPW5XX6L4J5 · pith_short_16: WJPW5XX6L4J5XDG7 · pith_short_8: WJPW5XX6

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/WJPW5XX6L4J5XDG7QPV3SKEUQY \
  | 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: b25f6edefe5f13db8cdf83ebb928948616fd5700b5deb87adfb6a4f6bf98e276

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fd0627de1483e57ddd67a752e20c504b295546e198cdc056282f2fd5d870788",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-10-10T17:20:59Z",
    "title_canon_sha256": "62c399077c5ff76fbd4e814ca05c13ee7d7cc49879aaa9b22eb71bb0457b1f5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2892",
    "kind": "arxiv",
    "version": 3
  }
}