Pith Number

pith:DNSOAURZ

pith:2026:DNSOAURZX6J5W4PEXM6FB5LLGN

not attested not anchored not stored refs pending

Branched coverings of simply connected $4$-manifolds

Daniele Zuddas, Riccardo Piergallini, Valentina Bais

arxiv:2605.26337 v1 · 2026-05-25 · 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{DNSOAURZX6J5W4PEXM6FB5LLGN}

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	2026-05-27T01:05:12.789806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b64e05239bf93db71e4bb3c50f56b33761d63ae4a57bd1557c3ee3faa962e89

Aliases

arxiv: 2605.26337 · arxiv_version: 2605.26337v1 · doi: 10.48550/arxiv.2605.26337 · pith_short_12: DNSOAURZX6J5 · pith_short_16: DNSOAURZX6J5W4PE · pith_short_8: DNSOAURZ

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/DNSOAURZX6J5W4PEXM6FB5LLGN \
  | 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: 1b64e05239bf93db71e4bb3c50f56b33761d63ae4a57bd1557c3ee3faa962e89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e600514c10cd3bc6948bef6fdf78584a41feaab15d68f946d407625bb1c13ad7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2026-05-25T21:19:38Z",
    "title_canon_sha256": "03641da2f943a2a7545da5abf44c3af67cfe6858ba881a66347e1c8bf2af3ae8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26337",
    "kind": "arxiv",
    "version": 1
  }
}