Pith Number

pith:HOYX6DNC

pith:2013:HOYX6DNCHNKG5LBVAUASQNUOTV

not attested not anchored not stored refs pending

Sampling and reconstruction of solutions to the Helmholtz equation

Albert Cohen, Gilles Chardon, Laurent Daudet

arxiv:1301.0237 v2 · 2013-01-02 · 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{HOYX6DNCHNKG5LBVAUASQNUOTV}

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	2026-05-18T02:54:56.416161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bb17f0da23b546eac35050128368e9d79b3cbdcf1b2b62400a037c9f7d223fa

Aliases

arxiv: 1301.0237 · arxiv_version: 1301.0237v2 · doi: 10.48550/arxiv.1301.0237 · pith_short_12: HOYX6DNCHNKG · pith_short_16: HOYX6DNCHNKG5LBV · pith_short_8: HOYX6DNC

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/HOYX6DNCHNKG5LBVAUASQNUOTV \
  | 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: 3bb17f0da23b546eac35050128368e9d79b3cbdcf1b2b62400a037c9f7d223fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59b0540567a6837520f3ef307fe05577cafc78084210127da31ae9fd550d91fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-01-02T14:13:39Z",
    "title_canon_sha256": "d0f71e75a051d0c6351f76a4185e6dd38a7a8c237c8d3103288f0e5cbb95e7f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0237",
    "kind": "arxiv",
    "version": 2
  }
}