Pith Number

pith:ULRQ37HE

pith:2015:ULRQ37HECQMG43X67ACJMT4KOS

not attested not anchored not stored refs pending

Chow ring and BP-theory of the extraspecial 2-group of order 32

Nobuaki Yagita

arxiv:1506.08418 v1 · 2015-06-28 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULRQ37HECQMG43X67ACJMT4KOS}

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	2026-05-18T01:37:45.368361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e30dfce414186e6efef804964f8a748038f4e394df33f9317937beca3f82f5

Aliases

arxiv: 1506.08418 · arxiv_version: 1506.08418v1 · doi: 10.48550/arxiv.1506.08418 · pith_short_12: ULRQ37HECQMG · pith_short_16: ULRQ37HECQMG43X6 · pith_short_8: ULRQ37HE

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/ULRQ37HECQMG43X67ACJMT4KOS \
  | 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: a2e30dfce414186e6efef804964f8a748038f4e394df33f9317937beca3f82f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91dbc4e7ee36e5e386ae6664e08cc3c5d7804e49cc382ca64d88807c88a76caf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-06-28T15:44:41Z",
    "title_canon_sha256": "65c1e8175b8e228852558d1d110cdabe28aa18dbe04fa29e3152f78a85df884e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08418",
    "kind": "arxiv",
    "version": 1
  }
}