Pith Number

pith:TB4YWGYR

pith:2011:TB4YWGYRWRMJ7ZKQWKIUWD6PFU

not attested not anchored not stored refs pending

Clifford Algebras and Spinors

Ivan Todorov

arxiv:1106.3197 v2 · 2011-06-16 · math-ph · math.HO · math.MP · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TB4YWGYRWRMJ7ZKQWKIUWD6PFU}

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	2026-05-18T04:10:10.373597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98798b1b11b4589fe550b2914b0fcf2d13bafc1e66d78ea0e840f234e8fb5dda

Aliases

arxiv: 1106.3197 · arxiv_version: 1106.3197v2 · doi: 10.48550/arxiv.1106.3197 · pith_short_12: TB4YWGYRWRMJ · pith_short_16: TB4YWGYRWRMJ7ZKQ · pith_short_8: TB4YWGYR

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/TB4YWGYRWRMJ7ZKQWKIUWD6PFU \
  | 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: 98798b1b11b4589fe550b2914b0fcf2d13bafc1e66d78ea0e840f234e8fb5dda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30ee6caab75d6a5e44879b2f0e795c1fa174748dec54d5bde20db6e20aaf643b",
    "cross_cats_sorted": [
      "math.HO",
      "math.MP",
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-06-16T10:59:34Z",
    "title_canon_sha256": "5627e24412a9b02a2ca77c7b8f2006877ee2347db23a16c4fb430d34b5e68199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3197",
    "kind": "arxiv",
    "version": 2
  }
}