Pith Number

pith:Z7Y5SVTN

pith:2014:Z7Y5SVTNA2PVLJ7WRK4URBXI5U

not attested not anchored not stored refs pending

Patching and Quillen K-Theory

Patrick Mcfaddin

arxiv:1401.1160 v2 · 2014-01-06 · 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{Z7Y5SVTNA2PVLJ7WRK4URBXI5U}

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	2026-05-18T02:55:19.233165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cff1d9566d069f55a7f68ab94886e8ed01abcc6ab4e052a2dd9cb808a9a312ec

Aliases

arxiv: 1401.1160 · arxiv_version: 1401.1160v2 · doi: 10.48550/arxiv.1401.1160 · pith_short_12: Z7Y5SVTNA2PV · pith_short_16: Z7Y5SVTNA2PVLJ7W · pith_short_8: Z7Y5SVTN

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/Z7Y5SVTNA2PVLJ7WRK4URBXI5U \
  | 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: cff1d9566d069f55a7f68ab94886e8ed01abcc6ab4e052a2dd9cb808a9a312ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f95fa093de9f56dff8399aa858a225c12301b4472db5bd7f392ad35470585da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-01-06T18:07:03Z",
    "title_canon_sha256": "31a133c6f5edb366268faf1920e39a47c90b8eed33b900d96b63422a29760137"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1160",
    "kind": "arxiv",
    "version": 2
  }
}