Pith Number

pith:JFS5HRVA

pith:2019:JFS5HRVASJCHVD2LZWPNTRKSNZ

not attested not anchored not stored refs pending

Rigid nongeometric orientifolds and the swampland

Pramod Shukla

arxiv:1909.10993 v3 · 2019-09-24 · 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{JFS5HRVASJCHVD2LZWPNTRKSNZ}

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	2026-07-05T03:56:26.711827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4965d3c6a092447a8f4bcd9ed9c5526e679bbcbe7869f0476ce7dd201b90d27b

Aliases

arxiv: 1909.10993 · arxiv_version: 1909.10993v3 · doi: 10.48550/arxiv.1909.10993 · pith_short_12: JFS5HRVASJCH · pith_short_16: JFS5HRVASJCHVD2L · pith_short_8: JFS5HRVA

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/JFS5HRVASJCHVD2LZWPNTRKSNZ \
  | 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: 4965d3c6a092447a8f4bcd9ed9c5526e679bbcbe7869f0476ce7dd201b90d27b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "605b69cf0153a2f7510d138470a7b142aebf04ba790748dae225a85315b6a01b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-09-24T15:21:51Z",
    "title_canon_sha256": "d711152fd37d155108fc86d97a94aafc3e5048a6b75f4a3da28e6c9560f38565"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.10993",
    "kind": "arxiv",
    "version": 3
  }
}