Pith Number

pith:HDSIQLQ2

pith:2015:HDSIQLQ2MKJ537ZMBKWJ5PZKIG

not attested not anchored not stored refs pending

Hyperbolic geometry of the ample cone of a hyperkahler manifold

Ekaterina Amerik, Misha Verbitsky

arxiv:1511.02403 v1 · 2015-11-07 · math.AG · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDSIQLQ2MKJ537ZMBKWJ5PZKIG}

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	2026-05-18T01:00:53.615632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38e4882e1a6293ddff2c0aac9ebf2a4185d2330dc2f04de36731d0477a192a55

Aliases

arxiv: 1511.02403 · arxiv_version: 1511.02403v1 · doi: 10.48550/arxiv.1511.02403 · pith_short_12: HDSIQLQ2MKJ5 · pith_short_16: HDSIQLQ2MKJ537ZM · pith_short_8: HDSIQLQ2

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/HDSIQLQ2MKJ537ZMBKWJ5PZKIG \
  | 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: 38e4882e1a6293ddff2c0aac9ebf2a4185d2330dc2f04de36731d0477a192a55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8b7df2d89aa9b8c1f52a2fcc3dafbc3cacee3c22b822c5bdb026fe410131bce",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-11-07T21:00:21Z",
    "title_canon_sha256": "7308756f9c1d479140840b0c2f9b104a187f9c1634d19afeeeca5541b2ffe7f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02403",
    "kind": "arxiv",
    "version": 1
  }
}