Pith Number

pith:7RJ5AUJT

pith:2016:7RJ5AUJT234J4HDTKCK3JJ4HSP

not attested not anchored not stored refs pending

On the Approximation of Functions with Line Singularities by Ridgelets

Axel Obermeier, Philipp Grohs

arxiv:1601.05624 v1 · 2016-01-21 · 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{7RJ5AUJT234J4HDTKCK3JJ4HSP}

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	2026-05-18T01:22:13.346646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc53d05133d6f89e1c735095b4a78793f95bc454fbd9e477a092071f1991982d

Aliases

arxiv: 1601.05624 · arxiv_version: 1601.05624v1 · doi: 10.48550/arxiv.1601.05624 · pith_short_12: 7RJ5AUJT234J · pith_short_16: 7RJ5AUJT234J4HDT · pith_short_8: 7RJ5AUJT

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/7RJ5AUJT234J4HDTKCK3JJ4HSP \
  | 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: fc53d05133d6f89e1c735095b4a78793f95bc454fbd9e477a092071f1991982d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d0833124721b5e10185f663282e0134a769ea0309b31b404203a42f90b1cdb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-21T13:27:41Z",
    "title_canon_sha256": "185409b4d8bc2f67f503bdb0c22ff05ad5a34c1ccf567e726370154237e52fc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05624",
    "kind": "arxiv",
    "version": 1
  }
}