Pith Number

pith:C6SWCZX3

pith:2010:C6SWCZX3TOJV5KZW2SAWKM4XG4

not attested not anchored not stored refs pending

Spatial discretization of restricted group algebras

Steffen Roch

arxiv:1002.4104 v1 · 2010-02-22 · math.OA · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6SWCZX3TOJV5KZW2SAWKM4XG4}

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	2026-06-03T23:06:33.996521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a56166fb9b935eab36d481653397371ca04a9b32a1d257fb3899322b9bf3b0

Aliases

arxiv: 1002.4104 · arxiv_version: 1002.4104v1 · doi: 10.48550/arxiv.1002.4104 · pith_short_12: C6SWCZX3TOJV · pith_short_16: C6SWCZX3TOJV5KZW · pith_short_8: C6SWCZX3

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/C6SWCZX3TOJV5KZW2SAWKM4XG4 \
  | 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: 17a56166fb9b935eab36d481653397371ca04a9b32a1d257fb3899322b9bf3b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26f09f6cd8be0b8f9d0c9f3f827ea72ce4044efe3bfc474c99863048cdba28e1",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2010-02-22T12:23:28Z",
    "title_canon_sha256": "0083c0d37fda5aa467824ab399c3ced466c2540cffcd83acba7073276311db03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4104",
    "kind": "arxiv",
    "version": 1
  }
}