Pith Number

pith:HKTAWE6S

pith:2026:HKTAWE6SEW4QV54BVW5GJJWA2Q

not attested not anchored not stored refs pending

The Weil Decoration of the Horrocks-Mumford Bundle

Andreas Hochenegger, Frederik Witt, Klaus Altmann

arxiv:2603.22979 v2 · 2026-03-24 · 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{HKTAWE6SEW4QV54BVW5GJJWA2Q}

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	2026-06-05T01:15:23.158580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aa60b13d225b90af781adba64a6c0d42040cb61db7a9261c349fae44f317804

Aliases

arxiv: 2603.22979 · arxiv_version: 2603.22979v2 · doi: 10.48550/arxiv.2603.22979 · pith_short_12: HKTAWE6SEW4Q · pith_short_16: HKTAWE6SEW4QV54B · pith_short_8: HKTAWE6S

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/HKTAWE6SEW4QV54BVW5GJJWA2Q \
  | 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: 3aa60b13d225b90af781adba64a6c0d42040cb61db7a9261c349fae44f317804

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f29fcbc1a23a451689d32b7087f18607ff0a6081ad5659304535915ffc31c00e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-03-24T09:13:59Z",
    "title_canon_sha256": "04342e76be12c6ab563765e4d66c978d3b1182b52ad2a757df8cc4a6a8b4481c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.22979",
    "kind": "arxiv",
    "version": 2
  }
}