Pith. sign in
Pith Number

pith:YRXEZ4QI

pith:2019:YRXEZ4QIIVQWLMAJGW7C56D7CG
not attested not anchored not stored refs pending

Minimal independent couplings at order $\alpha'^2$

Hamid Razaghian, Mohammad R. Garousi

arxiv:1905.10800 v1 · 2019-05-26 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YRXEZ4QIIVQWLMAJGW7C56D7CG}

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 2026-07-05T00:20:15.328309Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c46e4cf208456165b00935be2ef87f1182766eb20e7ce3b653d9815c5f6e46b1

Aliases

arxiv: 1905.10800 · arxiv_version: 1905.10800v1 · doi: 10.48550/arxiv.1905.10800 · pith_short_12: YRXEZ4QIIVQW · pith_short_16: YRXEZ4QIIVQWLMAJ · pith_short_8: YRXEZ4QI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YRXEZ4QIIVQWLMAJGW7C56D7CG \
  | 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: c46e4cf208456165b00935be2ef87f1182766eb20e7ce3b653d9815c5f6e46b1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d12fd6e2a9c75a06031d837ce908751c6bebea13d98281d0b34fa02279de3a15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-05-26T13:05:13Z",
    "title_canon_sha256": "1d6c81f4eea8d07ccfd9622d5e9f29fc4b24f23a6a7db2320226774dfdf70095"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10800",
    "kind": "arxiv",
    "version": 1
  }
}