Pith Number

pith:KH2JSC7M

pith:2015:KH2JSC7MJZV2E33KEAG2N465IO

not attested not anchored not stored refs pending

The $\ell^\infty$-semi-norm on uniformly finite homology

Clara Loeh, Francesca Diana

arxiv:1502.01177 v2 · 2015-02-04 · math.MG · 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{KH2JSC7MJZV2E33KEAG2N465IO}

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	2026-05-18T02:00:02.257252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51f4990bec4e6ba26f6a200da6f3dd4381330a9e7135a05c9de746c800efa27f

Aliases

arxiv: 1502.01177 · arxiv_version: 1502.01177v2 · doi: 10.48550/arxiv.1502.01177 · pith_short_12: KH2JSC7MJZV2 · pith_short_16: KH2JSC7MJZV2E33K · pith_short_8: KH2JSC7M

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/KH2JSC7MJZV2E33KEAG2N465IO \
  | 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: 51f4990bec4e6ba26f6a200da6f3dd4381330a9e7135a05c9de746c800efa27f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53d64eafd323b0a54ae64328de35879c52fd2d0ae1de6c8ed87c16f7e624085e",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-02-04T12:31:44Z",
    "title_canon_sha256": "4bf412e4a90696ee0f32c148c96e9fbf5a0b09a79cf77afa659a1f1385cb0b46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01177",
    "kind": "arxiv",
    "version": 2
  }
}