Pith Number

pith:42FEIWXC

pith:2023:42FEIWXCIJJJFNN5NPGPR5AVYI

not attested not anchored not stored refs pending

Algebraic K-theory of real topological K-theory

Christian Ausoni, Gabriel Angelini-Knoll, John Rognes

arxiv:2309.11463 v4 · 2023-09-20 · math.AT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42FEIWXCIJJJFNN5NPGPR5AVYI}

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.

Cited by

1 paper in Pith

Chromatic defect, Wood's theorem, and higher real $K$-theories

Receipt and verification

First computed	2026-05-26T01:02:24.539423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e68a445ae2425292b5bd6bccf8f415c225bf01c9f285126571df56b1fde8732a

Aliases

arxiv: 2309.11463 · arxiv_version: 2309.11463v4 · doi: 10.48550/arxiv.2309.11463 · pith_short_12: 42FEIWXCIJJJ · pith_short_16: 42FEIWXCIJJJFNN5 · pith_short_8: 42FEIWXC

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/42FEIWXCIJJJFNN5NPGPR5AVYI \
  | 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: e68a445ae2425292b5bd6bccf8f415c225bf01c9f285126571df56b1fde8732a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e49e0ec842825ba74e19abc9aaf88241a384504d35751745576630937763c175",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2023-09-20T17:00:13Z",
    "title_canon_sha256": "294814b9d61cb5f6e23fe5e92121fed9faa53ada46edb24dcff4eed94ce146df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.11463",
    "kind": "arxiv",
    "version": 4
  }
}