Pith Number

pith:XCAPFXBW

pith:2012:XCAPFXBWSIO3AVG25BIRFGZP4N

not attested not anchored not stored refs pending

Quantization Opportunities for Polyharmonic Subdivision Wavelets Applied to Astronomical Images

Damyan Kalaglarsky, Ognyan Kounchev

arxiv:1204.3994 v1 · 2012-04-18 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XCAPFXBWSIO3AVG25BIRFGZP4N}

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	2026-05-18T03:57:38.044358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b880f2dc36921db054dae851129b2fe37f491f1e66f54fb69bb370ab08f4e602

Aliases

arxiv: 1204.3994 · arxiv_version: 1204.3994v1 · doi: 10.48550/arxiv.1204.3994 · pith_short_12: XCAPFXBWSIO3 · pith_short_16: XCAPFXBWSIO3AVG2 · pith_short_8: XCAPFXBW

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/XCAPFXBWSIO3AVG25BIRFGZP4N \
  | 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: b880f2dc36921db054dae851129b2fe37f491f1e66f54fb69bb370ab08f4e602

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad77f1b9d2c4bdf544b9492a9f86ceff3d77c4201c8e5b7711fc9477874a4e1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-04-18T07:15:57Z",
    "title_canon_sha256": "fa4c659bcec1f37a1961ec74548f980d485f21f19d578bdd483949b65ff607b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3994",
    "kind": "arxiv",
    "version": 1
  }
}