Pith Number

pith:3VNQKXTG

pith:2018:3VNQKXTGZ4ZXKBY3ID6U4VXOOI

not attested not anchored not stored refs pending

Some recent developments in K\"ahler geometry and exceptional holonomy

Simon Donaldson

arxiv:1808.03995 v2 · 2018-08-12 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VNQKXTGZ4ZXKBY3ID6U4VXOOI}

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	2026-05-18T00:07:27.308066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd5b055e66cf3375071b40fd4e56ee723ad0e7c00a4b3b61e6f6027b4d50544a

Aliases

arxiv: 1808.03995 · arxiv_version: 1808.03995v2 · doi: 10.48550/arxiv.1808.03995 · pith_short_12: 3VNQKXTGZ4ZX · pith_short_16: 3VNQKXTGZ4ZXKBY3 · pith_short_8: 3VNQKXTG

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/3VNQKXTGZ4ZXKBY3ID6U4VXOOI \
  | 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: dd5b055e66cf3375071b40fd4e56ee723ad0e7c00a4b3b61e6f6027b4d50544a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba2852709952005e949ebab47ab4a128ff67246dae685dcc106c6b871ef868ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-08-12T19:56:45Z",
    "title_canon_sha256": "681805c08979bbc37a0802cc927aa8edd671e16ef5b29fbb2f07a73a055d86b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03995",
    "kind": "arxiv",
    "version": 2
  }
}