Pith Number

pith:XKIVRG2N

pith:2022:XKIVRG2NOKDCAC3EK4V2PALNYI

not attested not anchored not stored refs pending

Non-convex, ringing-free, FFT-accelerated solver using an incremental approximate energy functional

Ali Falsafi, Martin Ladeck\'y, Richard J. Leute, Till Junge

arxiv:2207.10657 v1 · 2022-07-15 · math.NA · cs.NA · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XKIVRG2NOKDCAC3EK4V2PALNYI}

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	2026-07-05T04:42:28.070248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba91589b4d7286200b64572ba7816dc21a4a8a51f7ffe2ed0606ab925fe4b335

Aliases

arxiv: 2207.10657 · arxiv_version: 2207.10657v1 · doi: 10.48550/arxiv.2207.10657 · pith_short_12: XKIVRG2NOKDC · pith_short_16: XKIVRG2NOKDCAC3E · pith_short_8: XKIVRG2N

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/XKIVRG2NOKDCAC3EK4V2PALNYI \
  | 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: ba91589b4d7286200b64572ba7816dc21a4a8a51f7ffe2ed0606ab925fe4b335

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "161e8cf2159455a695a386c43bc2fa17c9d881fe7f0d7b1ee7c9db00f87b6bbc",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-07-15T07:50:29Z",
    "title_canon_sha256": "081dbccb43a206184eb181a0700a7366e52cda034314b0f10b3c8b665336e2c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.10657",
    "kind": "arxiv",
    "version": 1
  }
}