Pith Number

pith:NQO2KT5I

pith:2013:NQO2KT5ILOALMJM3IFWKNAVTAJ

not attested not anchored not stored refs pending

The fate of flat directions in higher derivative gravity

Ivano Lodato, Nabamita Banerjee, Suvankar Dutta

arxiv:1301.6773 v4 · 2013-01-28 · 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{NQO2KT5ILOALMJM3IFWKNAVTAJ}

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	2026-05-18T01:51:57.710710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c1da54fa85b80b6259b416ca682b3026c64a0f43a8ca94aef8c9825979c95c0

Aliases

arxiv: 1301.6773 · arxiv_version: 1301.6773v4 · doi: 10.48550/arxiv.1301.6773 · pith_short_12: NQO2KT5ILOAL · pith_short_16: NQO2KT5ILOALMJM3 · pith_short_8: NQO2KT5I

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/NQO2KT5ILOALMJM3IFWKNAVTAJ \
  | 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: 6c1da54fa85b80b6259b416ca682b3026c64a0f43a8ca94aef8c9825979c95c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "024469c31788ce56d2c93e83542147302a945f00647532d71b1d58b6f476dae2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-01-28T21:15:20Z",
    "title_canon_sha256": "e3eb30a4bf10daaf39939fc052035e38340a80e766ce0cb14bef7d715acb5b7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6773",
    "kind": "arxiv",
    "version": 4
  }
}