Pith Number

pith:XEX5SESC

pith:2019:XEX5SESC3NATUQN2QOCVJ7EBCT

not attested not anchored not stored refs pending

Notes on the filtration of the K-theory for abelian p-groups

Nobuaki Yagita

arxiv:1907.09336 v1 · 2019-07-22 · math.KT · 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{XEX5SESC3NATUQN2QOCVJ7EBCT}

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	2026-05-17T23:39:59.454509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b92fd91242db413a41ba838554fc8114d622efe047266fdd245205c9812fb77a

Aliases

arxiv: 1907.09336 · arxiv_version: 1907.09336v1 · doi: 10.48550/arxiv.1907.09336 · pith_short_12: XEX5SESC3NAT · pith_short_16: XEX5SESC3NATUQN2 · pith_short_8: XEX5SESC

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/XEX5SESC3NATUQN2QOCVJ7EBCT \
  | 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: b92fd91242db413a41ba838554fc8114d622efe047266fdd245205c9812fb77a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ae7099c215317bc4b43480cdbf721bbee939bef4ec152ce21817d8480465bae",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2019-07-22T14:26:52Z",
    "title_canon_sha256": "aa53590807f8c8e3fed4abb6009515e787d8b1bfe142e5f7a86ea051a19e9015"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09336",
    "kind": "arxiv",
    "version": 1
  }
}