Pith Number

pith:ZF2F4DAX

pith:2017:ZF2F4DAXMGZW7MVKZ7PASBJB5H

not attested not anchored not stored refs pending

De Rham and twisted cohomology of Oeljeklaus-Toma manifolds

Alexandra Otiman, Nicolina Istrati

arxiv:1711.07847 v3 · 2017-11-21 · math.DG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZF2F4DAXMGZW7MVKZ7PASBJB5H}

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	2026-05-18T00:04:34.168784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9745e0c1761b36fb2aacfde090521e9d5e1d23b5dabedea3640609f8db89aa1

Aliases

arxiv: 1711.07847 · arxiv_version: 1711.07847v3 · doi: 10.48550/arxiv.1711.07847 · pith_short_12: ZF2F4DAXMGZW · pith_short_16: ZF2F4DAXMGZW7MVK · pith_short_8: ZF2F4DAX

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/ZF2F4DAXMGZW7MVKZ7PASBJB5H \
  | 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: c9745e0c1761b36fb2aacfde090521e9d5e1d23b5dabedea3640609f8db89aa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da946ebeb8cb8424f00ac3ed20f740236a5ce2703c7ba02c2d81aefd87908342",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-11-21T15:28:51Z",
    "title_canon_sha256": "7366abfc4f9528c73a40d9a806fd1533c72efa6b86bae5eb529ab49d725b7d69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07847",
    "kind": "arxiv",
    "version": 3
  }
}