Pith Number

pith:YI4NCSVY

pith:1999:YI4NCSVYAMXXMW4EEPS3B3NNKA

not attested not anchored not stored refs pending

Courant algebroids, derived brackets and even symplectic supermanifolds

Dmitry Roytenberg

arxiv:math/9910078 v1 · 1999-10-15 · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YI4NCSVYAMXXMW4EEPS3B3NNKA}

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.

Cited by

2 papers in Pith

Classification of Lie algebras constructed from $\mathfrak{gl}_{m|n}$ via Derived Bracket

Generalised Complex and Spinor Relations

Receipt and verification

First computed	2026-07-04T14:41:20.656431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c238d14ab8032f765b8423e5b0edad5010408e01bf896e41c6fcc93a04a40c0d

Aliases

arxiv: math/9910078 · arxiv_version: math/9910078v1 · doi: 10.48550/arxiv.math/9910078 · pith_short_12: YI4NCSVYAMXX · pith_short_16: YI4NCSVYAMXXMW4E · pith_short_8: YI4NCSVY

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/YI4NCSVYAMXXMW4EEPS3B3NNKA \
  | 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: c238d14ab8032f765b8423e5b0edad5010408e01bf896e41c6fcc93a04a40c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "748cf5617860a91662b1f9a75da86b1b351dff52c694c62c02ebea9988b35794",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "1999-10-15T02:37:12Z",
    "title_canon_sha256": "38cbdbbe4a0fc63c2b9cb816d6709742acf722c35b7713212ff74bca0f9a5c6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9910078",
    "kind": "arxiv",
    "version": 1
  }
}