Pith Number

pith:OOR7FVS3

pith:2014:OOR7FVS3RINS5JX3YI6SH3IO4R

not attested not anchored not stored refs pending

The eta function and eta invariant of $\mathbb{Z}_{2^r}$-manifolds

Ricardo A. Podest\'a

arxiv:1407.7454 v3 · 2014-07-28 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOR7FVS3RINS5JX3YI6SH3IO4R}

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	2026-05-18T00:50:10.030482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73a3f2d65b8a1b2ea6fbc23d23ed0ee4538e747ec29ee4e3b198c403464fa45a

Aliases

arxiv: 1407.7454 · arxiv_version: 1407.7454v3 · doi: 10.48550/arxiv.1407.7454 · pith_short_12: OOR7FVS3RINS · pith_short_16: OOR7FVS3RINS5JX3 · pith_short_8: OOR7FVS3

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/OOR7FVS3RINS5JX3YI6SH3IO4R \
  | 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: 73a3f2d65b8a1b2ea6fbc23d23ed0ee4538e747ec29ee4e3b198c403464fa45a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c91f8e4733c8fe31d9f0100168ebe010a8549751c237d890c40460afa4ef566",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-07-28T15:50:29Z",
    "title_canon_sha256": "51420b4f1b335510526a67816cd383ea321f296eae2c1314e4eb3336f220d4c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7454",
    "kind": "arxiv",
    "version": 3
  }
}