Pith Number

pith:I4KBK5WK

pith:2020:I4KBK5WKULGQAWAQRHFETSIHDH

not attested not anchored not stored refs pending

Orientation data for moduli spaces of coherent sheaves over Calabi-Yau 3-folds

Dominic Joyce, Markus Upmeier

arxiv:2001.00113 v2 · 2020-01-01 · 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{I4KBK5WKULGQAWAQRHFETSIHDH}

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.

Cited by

1 paper in Pith

On spin structures and orientations for gauge-theoretic moduli spaces

Receipt and verification

First computed	2026-07-05T02:09:08.269164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47141576caa2cd00581089ca49c90719c394b25e3f3ce2260b9a575f0d090916

Aliases

arxiv: 2001.00113 · arxiv_version: 2001.00113v2 · doi: 10.48550/arxiv.2001.00113 · pith_short_12: I4KBK5WKULGQ · pith_short_16: I4KBK5WKULGQAWAQ · pith_short_8: I4KBK5WK

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/I4KBK5WKULGQAWAQRHFETSIHDH \
  | 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: 47141576caa2cd00581089ca49c90719c394b25e3f3ce2260b9a575f0d090916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "212c3810ab743e276afb79a466a57d5f1987815f9fa6c36caa93254a26721877",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-01-01T00:01:01Z",
    "title_canon_sha256": "9f35dda92bc1708a8f4000b849a36cd6a0bb17e278d451be7a6d403f05ced16f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00113",
    "kind": "arxiv",
    "version": 2
  }
}