Pith Number

pith:DSXLTZYB

pith:2014:DSXLTZYBNDHG2VBQ4JOFP7VZ5F

not attested not anchored not stored refs pending

The Higson-Roe exact sequence and $\ell^2$ eta invariants

Indrava Roy, Moulay-Tahar Benameur

arxiv:1409.2717 v2 · 2014-09-09 · math.KT · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSXLTZYBNDHG2VBQ4JOFP7VZ5F}

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	2026-05-18T02:32:13.717839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1caeb9e70168ce6d5430e25c57feb9e97959d9738abfd7fa2c7072b48125d55a

Aliases

arxiv: 1409.2717 · arxiv_version: 1409.2717v2 · doi: 10.48550/arxiv.1409.2717 · pith_short_12: DSXLTZYBNDHG · pith_short_16: DSXLTZYBNDHG2VBQ · pith_short_8: DSXLTZYB

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/DSXLTZYBNDHG2VBQ4JOFP7VZ5F \
  | 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: 1caeb9e70168ce6d5430e25c57feb9e97959d9738abfd7fa2c7072b48125d55a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddde0bd81b8480a8758f38291f37a4349a64afafb33400f00787c2dd03e9533d",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-09-09T12:45:39Z",
    "title_canon_sha256": "631acc3b967383e09af72b81e23e920059e6d6e5134e2fb7b5a1591c6b3c2368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2717",
    "kind": "arxiv",
    "version": 2
  }
}