Pith Number

pith:FLY3SMWJ

pith:2001:FLY3SMWJEQ4X2K4E3X5RTZRY2F

not attested not anchored not stored refs pending

Invariant Fields of Symplectic and Orthogonal Groups

David J. Saltman

arxiv:math/0102226 v1 · 2001-02-28 · math.AG · 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{FLY3SMWJEQ4X2K4E3X5RTZRY2F}

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	2026-05-18T01:05:37.888062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2af1b932c924397d2b84ddfb19e638d140a21c30214d0053775ce51e9dd4526f

Aliases

arxiv: math/0102226 · arxiv_version: math/0102226v1 · doi: 10.48550/arxiv.math/0102226 · pith_short_12: FLY3SMWJEQ4X · pith_short_16: FLY3SMWJEQ4X2K4E · pith_short_8: FLY3SMWJ

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/FLY3SMWJEQ4X2K4E3X5RTZRY2F \
  | 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: 2af1b932c924397d2b84ddfb19e638d140a21c30214d0053775ce51e9dd4526f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba8bfbc05d5497ba91fb5e434b4f4d2b2ee291ff53235d7bd7cb8539954d7367",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2001-02-28T22:39:37Z",
    "title_canon_sha256": "ecc89889a6a031c38ab7fd0c3f4197f0dcd1360db2dff4f7fad593b9d3205828"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0102226",
    "kind": "arxiv",
    "version": 1
  }
}