Pith Number

pith:6PFC4XEO

pith:2013:6PFC4XEOVBVNYQWGXV4TZ5QML3

not attested not anchored not stored refs pending

Off-shell D-Brane/F-Theory Effective Superpotentials and Ooguri-Vafa Invariants of Several Compact Calabi-Yau Manifolds

Feng-Jun Xu, Fu-Zhong Yang, Shi Cheng

arxiv:1303.3318 v1 · 2013-03-14 · 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{6PFC4XEOVBVNYQWGXV4TZ5QML3}

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	2026-05-18T01:51:07.645263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3ca2e5c8ea86adc42c6bd793cf60c5edd0605742ea75b12484dae27655731df

Aliases

arxiv: 1303.3318 · arxiv_version: 1303.3318v1 · doi: 10.48550/arxiv.1303.3318 · pith_short_12: 6PFC4XEOVBVN · pith_short_16: 6PFC4XEOVBVNYQWG · pith_short_8: 6PFC4XEO

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/6PFC4XEOVBVNYQWGXV4TZ5QML3 \
  | 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: f3ca2e5c8ea86adc42c6bd793cf60c5edd0605742ea75b12484dae27655731df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "165937ba9582f8e36003648332312906140873d8dc779d1e09c708c5ba847e0a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-03-14T00:26:44Z",
    "title_canon_sha256": "9e0375a6f1baf9f7f32db378bbe2e89aa6ad6a3e05ad37e705d335b08ea3605a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3318",
    "kind": "arxiv",
    "version": 1
  }
}