Pith Number

pith:XSIMKJGP

pith:2011:XSIMKJGPZBCUOZEAW57HG4KMOZ

not attested not anchored not stored refs pending

Higher algebraic $K$-groups and $\mathcal D$-split sequences

Changchang Xi

arxiv:1107.5380 v1 · 2011-07-27 · math.KT · 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{XSIMKJGPZBCUOZEAW57HG4KMOZ}

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	2026-05-18T02:21:52.108656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc90c524cfc845476480b77e73714c764b2b3b238b44aa343fb3230a03cb3323

Aliases

arxiv: 1107.5380 · arxiv_version: 1107.5380v1 · doi: 10.48550/arxiv.1107.5380 · pith_short_12: XSIMKJGPZBCU · pith_short_16: XSIMKJGPZBCUOZEA · pith_short_8: XSIMKJGP

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/XSIMKJGPZBCUOZEAW57HG4KMOZ \
  | 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: bc90c524cfc845476480b77e73714c764b2b3b238b44aa343fb3230a03cb3323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "098ab98e44a78175a9bb98b16b925515e59f9f6232e85880b19c03afafa0de8a",
    "cross_cats_sorted": [
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2011-07-27T04:06:54Z",
    "title_canon_sha256": "a4c5956f073de5fd316b3ae9dccdc93ed33c74b7e83ec8d0ae75c0c86d1c14d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5380",
    "kind": "arxiv",
    "version": 1
  }
}