Pith Number

pith:O6J3THWF

pith:2026:O6J3THWFD65MMRKUKHAWXZDJI2

not attested not anchored not stored refs pending

The hyperk\"ahler period-index conjecture is false

James Hotchkiss, Pieter Belmans

arxiv:2608.09436 v1 · 2026-08-10 · 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{O6J3THWFD65MMRKUKHAWXZDJI2}

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	2026-08-11T02:22:36.443741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7793b99ec51fbac6455451c16be4694696b0d7a5169dec2eb399be9d20dfb0da

Aliases

arxiv: 2608.09436 · arxiv_version: 2608.09436v1 · doi: 10.48550/arxiv.2608.09436 · pith_short_12: O6J3THWFD65M · pith_short_16: O6J3THWFD65MMRKU · pith_short_8: O6J3THWF

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/O6J3THWFD65MMRKUKHAWXZDJI2 \
  | 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: 7793b99ec51fbac6455451c16be4694696b0d7a5169dec2eb399be9d20dfb0da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "215617d1e523f34900a0168971544c4b57e90aa71d9aca618d37f062da958756",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-08-10T11:08:48Z",
    "title_canon_sha256": "196ee3b667e92968e2e5b000e976622965a3544ba01981416c0838f934c51e9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.09436",
    "kind": "arxiv",
    "version": 1
  }
}