Pith Number

pith:XRU4SRGO

pith:2026:XRU4SRGOSNGDGF52K3CGFJMDRC

not attested not anchored not stored refs pending

Cohomology of the Moduli Stacks of Real Vector Bundles on Type I Real Algebraic Curves

Frank Neumann, Luca Dal Molin

arxiv:2605.30298 v1 · 2026-05-28 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRU4SRGOSNGDGF52K3CGFJMDRC}

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	2026-05-29T02:06:15.670399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc69c944ce934c3317ba56c462a583889930494391e2acacbbbd6baf9599a6fa

Aliases

arxiv: 2605.30298 · arxiv_version: 2605.30298v1 · doi: 10.48550/arxiv.2605.30298 · pith_short_12: XRU4SRGOSNGD · pith_short_16: XRU4SRGOSNGDGF52 · pith_short_8: XRU4SRGO

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/XRU4SRGOSNGDGF52K3CGFJMDRC \
  | 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: bc69c944ce934c3317ba56c462a583889930494391e2acacbbbd6baf9599a6fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b95d3836b8deb5d15a1c9c4a053bbbc3570beae6dba8acb0ca3658fe1b551c80",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-05-28T17:45:22Z",
    "title_canon_sha256": "9d4a784fd12f3443da25e7e3e3a804252d6acb747198dee040a36716708dcb04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30298",
    "kind": "arxiv",
    "version": 1
  }
}