Pith Number

pith:NXGTI226

pith:2026:NXGTI226MJQEIBK2YZMASK2WLG

not attested not anchored not stored refs pending

Efficient construction of Lie group-equivariant and permutation-invariant spaces

Camille Hernandez, Elo\"ise Barthelemy, Genevi\`eve Dusson, Liwei Zhang

arxiv:2604.01975 v2 · 2026-04-02 · math.NA · cs.NA · quant-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{NXGTI226MJQEIBK2YZMASK2WLG}

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	2026-05-25T02:02:14.864700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dcd346b5e626044055ac658092b565998bf49a52f8536e249e080f4e74e039c

Aliases

arxiv: 2604.01975 · arxiv_version: 2604.01975v2 · doi: 10.48550/arxiv.2604.01975 · pith_short_12: NXGTI226MJQE · pith_short_16: NXGTI226MJQEIBK2 · pith_short_8: NXGTI226

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/NXGTI226MJQEIBK2YZMASK2WLG \
  | 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: 6dcd346b5e626044055ac658092b565998bf49a52f8536e249e080f4e74e039c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "094c957a37c3a66b5a4a297a902bea93d640976cb86428477f44006b3b961d20",
    "cross_cats_sorted": [
      "cs.NA",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-04-02T12:33:33Z",
    "title_canon_sha256": "c236750e53c5154e792ffd5cd2db55fb821f03b459be0566efe190cb0829a3b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.01975",
    "kind": "arxiv",
    "version": 2
  }
}