Pith Number

pith:MZFCQBSF

pith:2012:MZFCQBSFUEQOCCIWD7XOV7Z2Q4

not attested not anchored not stored refs pending

On the exponent of spinor groups

Sanghoon Baek

arxiv:1202.5819 v1 · 2012-02-27 · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZFCQBSFUEQOCCIWD7XOV7Z2Q4}

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	2026-05-18T04:01:24.560348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

664a280645a120e109161feeeaff3a871c4f9ebd441da5b424d5471654a2b079

Aliases

arxiv: 1202.5819 · arxiv_version: 1202.5819v1 · doi: 10.48550/arxiv.1202.5819 · pith_short_12: MZFCQBSFUEQO · pith_short_16: MZFCQBSFUEQOCCIW · pith_short_8: MZFCQBSF

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/MZFCQBSFUEQOCCIWD7XOV7Z2Q4 \
  | 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: 664a280645a120e109161feeeaff3a871c4f9ebd441da5b424d5471654a2b079

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "622a60223cc92d132b99b45f20ece5232a69465ea43af2a75631d999ba30b756",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-02-27T03:18:56Z",
    "title_canon_sha256": "19ed3da39ba26882be36224da3df40ebc3773e7b70170376a2fb8a3098baea99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5819",
    "kind": "arxiv",
    "version": 1
  }
}