Pith Number

pith:VXBY5XVC

pith:2007:VXBY5XVCISHPFBDY5F2QYNVPFO

not attested not anchored not stored refs pending

STBCs from Representation of Extended Clifford Algebras

B. Sundar Rajan, G. Susinder Rajan

arxiv:0704.2507 v1 · 2007-04-19 · cs.IT · cs.DM · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VXBY5XVCISHPFBDY5F2QYNVPFO}

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	2026-05-18T00:58:26.240017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adc38edea2448ef28478e9750c36af2b91529165b7f63fc09b5cfe3cd9a00cca

Aliases

arxiv: 0704.2507 · arxiv_version: 0704.2507v1 · doi: 10.48550/arxiv.0704.2507 · pith_short_12: VXBY5XVCISHP · pith_short_16: VXBY5XVCISHPFBDY · pith_short_8: VXBY5XVC

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/VXBY5XVCISHPFBDY5F2QYNVPFO \
  | 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: adc38edea2448ef28478e9750c36af2b91529165b7f63fc09b5cfe3cd9a00cca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8e34ca5ffad2537b8bee1eb064a960fb37daa64bca154f7d6e9825bb3f7d09f",
    "cross_cats_sorted": [
      "cs.DM",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-04-19T11:16:40Z",
    "title_canon_sha256": "264280e75c5d5b3dcae74e6f0f9d30a9891b2163ac9fa873b2e153036a063d8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.2507",
    "kind": "arxiv",
    "version": 1
  }
}