Pith Number

pith:FBMFEMKF

pith:2020:FBMFEMKFFA37NYLGAFM6BJ4WCV

not attested not anchored not stored refs pending

Complex hyperk\"ahler structures defined by Donaldson-Thomas invariants

Ian A.B. Strachan, Tom Bridgeland

arxiv:2006.13059 v2 · 2020-06-23 · math.AG · hep-th · 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{FBMFEMKFFA37NYLGAFM6BJ4WCV}

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

Schwarzschild black holes from twistor space

Receipt and verification

First computed	2026-07-05T02:39:02.270197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28585231452837f6e1660159e0a7961578887a250406dae0f837e10a05ad4520

Aliases

arxiv: 2006.13059 · arxiv_version: 2006.13059v2 · doi: 10.48550/arxiv.2006.13059 · pith_short_12: FBMFEMKFFA37 · pith_short_16: FBMFEMKFFA37NYLG · pith_short_8: FBMFEMKF

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/FBMFEMKFFA37NYLGAFM6BJ4WCV \
  | 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: 28585231452837f6e1660159e0a7961578887a250406dae0f837e10a05ad4520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c7d65c4626b636e73ab8e304409beb572d3ba00d82c16039fa802d812fba696",
    "cross_cats_sorted": [
      "hep-th",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-06-23T14:30:57Z",
    "title_canon_sha256": "c27352391d0382ea80e44aa92166daf3d996d103b71451b972baa883fa1f4446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.13059",
    "kind": "arxiv",
    "version": 2
  }
}