Pith Number

pith:SDQZDCBH

pith:2015:SDQZDCBHEFR4AXI5N57QDS7ZIB

not attested not anchored not stored refs pending

On Instanton Superpotentials, Calabi-Yau Geometry, and Fibrations

Fabio Apruzzi, James Gray, Lara B. Anderson, Seung-Joo Lee, Xin Gao

arxiv:1511.05188 v2 · 2015-11-16 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDQZDCBHEFR4AXI5N57QDS7ZIB}

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	2026-05-18T01:17:43.011456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90e19188272163c05d1d6f7f01cbf94049722e3eaaf472707cde52eb943e9046

Aliases

arxiv: 1511.05188 · arxiv_version: 1511.05188v2 · doi: 10.48550/arxiv.1511.05188 · pith_short_12: SDQZDCBHEFR4 · pith_short_16: SDQZDCBHEFR4AXI5 · pith_short_8: SDQZDCBH

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/SDQZDCBHEFR4AXI5N57QDS7ZIB \
  | 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: 90e19188272163c05d1d6f7f01cbf94049722e3eaaf472707cde52eb943e9046

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcac83450b317a2cb7caa9df4beb6935aa3de51fabdd3a38481a367006cdb846",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-11-16T21:37:22Z",
    "title_canon_sha256": "89a1d11257e34d33d0679819296d743086cfbe4896b4d55dd00198ed87f747e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05188",
    "kind": "arxiv",
    "version": 2
  }
}