Pith Number

pith:A3MMNMHF

pith:2022:A3MMNMHFPPWN5P4GD74WVTP6BC

not attested not anchored not stored refs pending

Symbolic-Numeric Integration of Univariate Expressions based on Sparse Regression

Alessandro Cheli, Anand Jain, Carl Julius Martensen, Chris Rackauckas, Shahriar Iravanian, Shashi Gowda, Yingbo Ma

arxiv:2201.12468 v2 · 2022-01-29 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3MMNMHFPPWN5P4GD74WVTP6BC}

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	2026-07-05T03:54:27.301971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06d8c6b0e57becdebf861ff96acdfe08a61c2e8201939620e673d1d9e532c476

Aliases

arxiv: 2201.12468 · arxiv_version: 2201.12468v2 · doi: 10.48550/arxiv.2201.12468 · pith_short_12: A3MMNMHFPPWN · pith_short_16: A3MMNMHFPPWN5P4G · pith_short_8: A3MMNMHF

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/A3MMNMHFPPWN5P4GD74WVTP6BC \
  | 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: 06d8c6b0e57becdebf861ff96acdfe08a61c2e8201939620e673d1d9e532c476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43dcb6686db22ca458e935adc8932032447e3d215b51eb990f84cea5a0b7f86b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2022-01-29T01:30:31Z",
    "title_canon_sha256": "76e1a6ee49544812ea9c727ec3fbff1f1afe82bb3db7b66a6522032875e5d3d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.12468",
    "kind": "arxiv",
    "version": 2
  }
}