Pith Number

pith:JWV4EPSD

pith:2012:JWV4EPSDP45RR35MD5WNGION7A

not attested not anchored not stored refs pending

Iterated Space-Time Code Constructions from Cyclic Algebras

Frederique Oggier, Nadya Markin

arxiv:1205.5134 v2 · 2012-05-23 · cs.IT · math.IT · 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{JWV4EPSDP45RR35MD5WNGION7A}

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	2026-05-18T03:31:30.742487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dabc23e437f3b18efac1f6cd321cdf83b14f15f2b4528b07c744b3370c1fce0

Aliases

arxiv: 1205.5134 · arxiv_version: 1205.5134v2 · doi: 10.48550/arxiv.1205.5134 · pith_short_12: JWV4EPSDP45R · pith_short_16: JWV4EPSDP45RR35M · pith_short_8: JWV4EPSD

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/JWV4EPSDP45RR35MD5WNGION7A \
  | 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: 4dabc23e437f3b18efac1f6cd321cdf83b14f15f2b4528b07c744b3370c1fce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab2dc2682ed7c07275dfcedac18527eb02625dbb46aec43f06e85798e95c6a01",
    "cross_cats_sorted": [
      "math.IT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-23T09:11:34Z",
    "title_canon_sha256": "16a2a77e03659202bb499a0045db3abc2b4841ae2ad01d5058a65140a4e9c12b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5134",
    "kind": "arxiv",
    "version": 2
  }
}