Pith Number

pith:V5J7FX7K

pith:2026:V5J7FX7KUIL6DO4ZONTV72XLF5

not attested not anchored not stored refs pending

Amitsur groups of primitive Fano threefolds

Shreya Sharma

arxiv:2606.24838 v1 · 2026-06-23 · 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{V5J7FX7KUIL6DO4ZONTV72XLF5}

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	2026-06-24T01:15:43.601436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af53f2dfeaa217e1bb9973675feaeb2f637d973ba62fd627a4929e478be825c6

Aliases

arxiv: 2606.24838 · arxiv_version: 2606.24838v1 · doi: 10.48550/arxiv.2606.24838 · pith_short_12: V5J7FX7KUIL6 · pith_short_16: V5J7FX7KUIL6DO4Z · pith_short_8: V5J7FX7K

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/V5J7FX7KUIL6DO4ZONTV72XLF5 \
  | 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: af53f2dfeaa217e1bb9973675feaeb2f637d973ba62fd627a4929e478be825c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5529b07dfcb3d2df977168cf03708f749a4276b34b6ae5ba2d75c8a5687c5dee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-06-23T17:18:22Z",
    "title_canon_sha256": "d9d44e60fc96e07a1319c6990db5c80e1ed82d8c3ab0156a60c92dcd61b7d208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.24838",
    "kind": "arxiv",
    "version": 1
  }
}