Pith Number

pith:I7EASSST

pith:2018:I7EASSSTI6VPHNXIFOBFNC64CM

not attested not anchored not stored refs pending

Algebras of invariant differential operators

Joao Schwarz, Vyacheslav Futorny

arxiv:1804.05029 v3 · 2018-04-13 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7EASSSTI6VPHNXIFOBFNC64CM}

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	2026-05-17T23:45:53.170418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47c8094a5347aaf3b6e82b82568bdc13341a12879461bfcb72eaa6175ae35ffa

Aliases

arxiv: 1804.05029 · arxiv_version: 1804.05029v3 · doi: 10.48550/arxiv.1804.05029 · pith_short_12: I7EASSSTI6VP · pith_short_16: I7EASSSTI6VPHNXI · pith_short_8: I7EASSST

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/I7EASSSTI6VPHNXIFOBFNC64CM \
  | 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: 47c8094a5347aaf3b6e82b82568bdc13341a12879461bfcb72eaa6175ae35ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd8bb217c367069de24527307d597434a621c4ac4c291e6b39a851ec93676cf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-04-13T17:00:01Z",
    "title_canon_sha256": "6d615c3883cbe1b6e92aff8fc9345b270b167e0f504a91fcf10ed88c580fd26a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05029",
    "kind": "arxiv",
    "version": 3
  }
}