Pith Number

pith:YIAJWDH2

pith:2010:YIAJWDH2UNPNW5T2OTYY4HXW7U

not attested not anchored not stored refs pending

Algebraic K-theory over the infinite dihedral group: a controlled topology approach

Frank Quinn, Holger Reich, James F. Davis

arxiv:1002.3702 v2 · 2010-02-19 · math.KT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YIAJWDH2UNPNW5T2OTYY4HXW7U}

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	2026-05-18T01:25:56.089535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2009b0cfaa35edb767a74f18e1ef6fd26ef9f1752fdf7414bc4bde7ac2c345b

Aliases

arxiv: 1002.3702 · arxiv_version: 1002.3702v2 · doi: 10.48550/arxiv.1002.3702 · pith_short_12: YIAJWDH2UNPN · pith_short_16: YIAJWDH2UNPNW5T2 · pith_short_8: YIAJWDH2

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/YIAJWDH2UNPNW5T2OTYY4HXW7U \
  | 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: c2009b0cfaa35edb767a74f18e1ef6fd26ef9f1752fdf7414bc4bde7ac2c345b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cd14215d75e53becfc55c41178b0c4c8c094dd62f70e21c257a02dc68b1d342",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2010-02-19T12:12:15Z",
    "title_canon_sha256": "997fa74d3dc5c10787f9988640f66d7d3e29f49ea17a89b4b3ba237e4ca569ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3702",
    "kind": "arxiv",
    "version": 2
  }
}