Pith Number

pith:RM6AU2P2

pith:2016:RM6AU2P2YFF6C2NNIK374E3CJD

not attested not anchored not stored refs pending

Rank two vector bundles on polarised Halphen surfaces and the Gauss-Wahl map for du Val curves

Andrea Bruno, Enrico Arbarello

arxiv:1609.09256 v1 · 2016-09-29 · 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{RM6AU2P2YFF6C2NNIK374E3CJD}

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	2026-05-18T01:03:38.362116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b3c0a69fac14be169ad42b7fe136248db8a374ff33c2d2b413f57f38b210100

Aliases

arxiv: 1609.09256 · arxiv_version: 1609.09256v1 · doi: 10.48550/arxiv.1609.09256 · pith_short_12: RM6AU2P2YFF6 · pith_short_16: RM6AU2P2YFF6C2NN · pith_short_8: RM6AU2P2

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/RM6AU2P2YFF6C2NNIK374E3CJD \
  | 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: 8b3c0a69fac14be169ad42b7fe136248db8a374ff33c2d2b413f57f38b210100

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80f1e859ec707567997f35c9962faf7c5aafbf3828cefdacf77724211f2ce800",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-29T08:46:04Z",
    "title_canon_sha256": "cef44839f363d85dca514495d2f35bc646e4cc9c0241a171f75522bba045e157"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09256",
    "kind": "arxiv",
    "version": 1
  }
}