Pith Number

pith:QCM7VSUB

pith:2021:QCM7VSUBQVP552ITHYARYGJMRB

not attested not anchored not stored refs pending

D-instantons in Type IIA string theory on Calabi-Yau threefolds

Ashoke Sen, Bogdan Stefa\'nski Jr, Sergei Alexandrov

arxiv:2108.04265 v1 · 2021-08-09 · 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{QCM7VSUBQVP552ITHYARYGJMRB}

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.

Cited by

3 papers in Pith

Instanton-Induced Closed-String Amplitudes in Minimal Superstring Theory at Subleading Order

Recursive-algebraic solution of the closed string tachyon vacuum equation

Receipt and verification

First computed	2026-07-05T11:35:08.984805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8099faca81855fdee9133e011c192c884f7a29d23925674edf6fc2e7e087458c

Aliases

arxiv: 2108.04265 · arxiv_version: 2108.04265v1 · doi: 10.48550/arxiv.2108.04265 · pith_short_12: QCM7VSUBQVP5 · pith_short_16: QCM7VSUBQVP552IT · pith_short_8: QCM7VSUB

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/QCM7VSUBQVP552ITHYARYGJMRB \
  | 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: 8099faca81855fdee9133e011c192c884f7a29d23925674edf6fc2e7e087458c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "778899925e71c793da8e69040660e75816efe850cb958271ceced228065e1028",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-08-09T18:00:17Z",
    "title_canon_sha256": "2a248377b8fa7b4f9c9afbb0f8357398c3c23b19eaff6a7b516fd8a6bc51519e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04265",
    "kind": "arxiv",
    "version": 1
  }
}