Pith Number

pith:YOBT4UE6

pith:2017:YOBT4UE6MOXMQHBR7R6ZCOUHZE

not attested not anchored not stored refs pending

Three-form periods on Calabi-Yau fourfolds: Toric hypersurfaces and F-theory applications

Sebastian Greiner, Thomas W. Grimm

arxiv:1702.03217 v2 · 2017-02-10 · hep-th · 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{YOBT4UE6MOXMQHBR7R6ZCOUHZE}

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	2026-05-18T00:31:41.635855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3833e509e63aec81c31fc7d913a87c914986a3ee918ba33def83b85cd2f70e9

Aliases

arxiv: 1702.03217 · arxiv_version: 1702.03217v2 · doi: 10.48550/arxiv.1702.03217 · pith_short_12: YOBT4UE6MOXM · pith_short_16: YOBT4UE6MOXMQHBR · pith_short_8: YOBT4UE6

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/YOBT4UE6MOXMQHBR7R6ZCOUHZE \
  | 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: c3833e509e63aec81c31fc7d913a87c914986a3ee918ba33def83b85cd2f70e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c601d42d9f4a17b7a44ed79ef19d3ef50e5bf785af38b18364302798b73ff86",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-02-10T15:26:19Z",
    "title_canon_sha256": "d4fda9849572cc79e1e43a5f0045269e3e2c457557a3ae6a372f6f204b4ced19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03217",
    "kind": "arxiv",
    "version": 2
  }
}