Pith Number

pith:5VXOGVRW

pith:2018:5VXOGVRWYAGDPWMRGHZKQGT43M

not attested not anchored not stored refs pending

Orientability of moduli spaces of Spin(7)-instantons and coherent sheaves on Calabi-Yau 4-folds

Dominic Joyce, Jacob Gross, Yalong Cao

arxiv:1811.09658 v3 · 2018-11-21 · math.DG · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VXOGVRWYAGDPWMRGHZKQGT43M}

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

Virtual Jeffrey--Kirwan localisation

Receipt and verification

First computed	2026-07-05T10:39:57.438195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed6ee35636c00c37d99131f2a81a7cdb184e02aa60d82971c44d57b6520917fe

Aliases

arxiv: 1811.09658 · arxiv_version: 1811.09658v3 · doi: 10.48550/arxiv.1811.09658 · pith_short_12: 5VXOGVRWYAGD · pith_short_16: 5VXOGVRWYAGDPWMR · pith_short_8: 5VXOGVRW

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/5VXOGVRWYAGDPWMRGHZKQGT43M \
  | 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: ed6ee35636c00c37d99131f2a81a7cdb184e02aa60d82971c44d57b6520917fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28813ad20785916849f19fa2fc1a8b0a7a7ec36d70e0fb0320770b014e48c1e6",
    "cross_cats_sorted": [
      "math.AG",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-11-21T13:17:23Z",
    "title_canon_sha256": "2dc7c3a4728b2c2fa2c7edc209d6ec873283605dfdcfc30fcec0fe15b0b6fc0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09658",
    "kind": "arxiv",
    "version": 3
  }
}