Pith Number

pith:DLPCQUC6

pith:2015:DLPCQUC6NN357HGP4H2HGFPES2

not attested not anchored not stored refs pending

Close Approximations for Daublets and their Spectra

H.M. de Oliveira, J.E. Wesen, V.V. Vermehren

arxiv:1502.01424 v1 · 2015-02-05 · math.NA · cs.NA · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLPCQUC6NN357HGP4H2HGFPES2}

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	2026-06-04T17:09:01.735301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ade28505e6b77df9ccfe1f47315e496b253f23b89db3f852315680cf032c440

Aliases

arxiv: 1502.01424 · arxiv_version: 1502.01424v1 · doi: 10.48550/arxiv.1502.01424 · pith_short_12: DLPCQUC6NN35 · pith_short_16: DLPCQUC6NN357HGP · pith_short_8: DLPCQUC6

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/DLPCQUC6NN357HGP4H2HGFPES2 \
  | 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: 1ade28505e6b77df9ccfe1f47315e496b253f23b89db3f852315680cf032c440

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e8c631fa4ebb426fceb93b49a28947a0e002af684c8d0dbf35af9932e1c633d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-02-05T03:33:34Z",
    "title_canon_sha256": "4fdba09704483a038b438ca4fcf4018bd3b09956ba968d385aaefa2d50651dbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01424",
    "kind": "arxiv",
    "version": 1
  }
}