Pith Number

pith:CEBJR7RG

pith:2017:CEBJR7RGO7MFKQ6O4OXYOX5EAQ

not attested not anchored not stored refs pending

Ulrich bundles on smooth projective varieties of minimal degree

Francesco Malaspina, Joan Pons-Llopis, Marian Aprodu, Sukmoon Huh

arxiv:1705.07790 v1 · 2017-05-22 · 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{CEBJR7RGO7MFKQ6O4OXYOX5EAQ}

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	2026-05-18T00:44:04.566576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

110298fe2677d85543cee3af875fa40404cd54ebce997c7838b648b597a40c9d

Aliases

arxiv: 1705.07790 · arxiv_version: 1705.07790v1 · doi: 10.48550/arxiv.1705.07790 · pith_short_12: CEBJR7RGO7MF · pith_short_16: CEBJR7RGO7MFKQ6O · pith_short_8: CEBJR7RG

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/CEBJR7RGO7MFKQ6O4OXYOX5EAQ \
  | 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: 110298fe2677d85543cee3af875fa40404cd54ebce997c7838b648b597a40c9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c0d2132556cc8c51eb047e4dedbebe52856489d80960cd774fe1a28f5c3717d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-05-22T15:01:39Z",
    "title_canon_sha256": "fbe7ac72ac8b25b03a87a42ae073e014914ea757635c8fcc6323f68ed7aba4cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07790",
    "kind": "arxiv",
    "version": 1
  }
}