Pith Number

pith:HHROH6US

pith:2016:HHROH6USPIMGTIPQXPV6AA3FTK

not attested not anchored not stored refs pending

Stability of Rank 2 Ulrich Bundles on Projective K3 Surfaces

Federica Galluzzi, Gianfranco Casnati

arxiv:1607.05469 v2 · 2016-07-19 · 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{HHROH6USPIMGTIPQXPV6AA3FTK}

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	2026-05-18T01:02:51.912600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39e2e3fa927a1869a1f0bbebe003659aaf155ee438fb3c306a780cfe1afcbfa3

Aliases

arxiv: 1607.05469 · arxiv_version: 1607.05469v2 · doi: 10.48550/arxiv.1607.05469 · pith_short_12: HHROH6USPIMG · pith_short_16: HHROH6USPIMGTIPQ · pith_short_8: HHROH6US

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/HHROH6USPIMGTIPQXPV6AA3FTK \
  | 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: 39e2e3fa927a1869a1f0bbebe003659aaf155ee438fb3c306a780cfe1afcbfa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fe4d514d3d61d32d3d5086e8deed43964be6c559fdd8333256dc7af92da28be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-07-19T09:04:23Z",
    "title_canon_sha256": "317eedb983e5ba4d2be38cb0fe9c37859890be634d258d809f7bafededf5369a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05469",
    "kind": "arxiv",
    "version": 2
  }
}