Pith Number

pith:HVCWUBZC

pith:2018:HVCWUBZCNZGJBMCWZYRK2OHKIP

not attested not anchored not stored refs pending

A proof of the Donaldson-Thomas crepant resolution conjecture

John Calabrese, J{\o}rgen Vold Rennemo, Sjoerd Viktor Beentjes

arxiv:1810.06581 v2 · 2018-10-15 · 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{HVCWUBZCNZGJBMCWZYRK2OHKIP}

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	2026-05-18T00:02:03.043214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d456a07226e4c90b056ce22ad38ea43e2f4dcb661f8eefa9924e746af899219

Aliases

arxiv: 1810.06581 · arxiv_version: 1810.06581v2 · doi: 10.48550/arxiv.1810.06581 · pith_short_12: HVCWUBZCNZGJ · pith_short_16: HVCWUBZCNZGJBMCW · pith_short_8: HVCWUBZC

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/HVCWUBZCNZGJBMCWZYRK2OHKIP \
  | 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: 3d456a07226e4c90b056ce22ad38ea43e2f4dcb661f8eefa9924e746af899219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2432af814cd473286396ab1a14f49ea50c1665170ffca7a047ede7c06fae4aed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-10-15T18:00:20Z",
    "title_canon_sha256": "2b5213d48206ef39325d965e564133badecb510e127ebc4190a0cb5440eb706d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06581",
    "kind": "arxiv",
    "version": 2
  }
}