Pith. sign in
Pith Number

pith:QW7HRHRD

pith:1999:QW7HRHRDYYGD7OPX6WVP4IR2YW
not attested not anchored not stored refs pending

Discrete Deformations in Type I Vacua

Carlo Angelantonj, Ralph Blumenhagen

arxiv:hep-th/9911190 v2 · 1999-11-24 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QW7HRHRDYYGD7OPX6WVP4IR2YW}

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 2026-07-04T16:15:02.744624Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

85be789e23c60c3fb9f7f5aafe223ac5a50397612f0968be5b0a83267c62f951

Aliases

arxiv: hep-th/9911190 · arxiv_version: hep-th/9911190v2 · doi: 10.48550/arxiv.hep-th/9911190 · pith_short_12: QW7HRHRDYYGD · pith_short_16: QW7HRHRDYYGD7OPX · pith_short_8: QW7HRHRD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QW7HRHRDYYGD7OPX6WVP4IR2YW \
  | 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: 85be789e23c60c3fb9f7f5aafe223ac5a50397612f0968be5b0a83267c62f951
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "51288ec995a14e1445c522d7093c9590b06e57e627807a3627ccf30274bdc1fa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-11-24T13:58:42Z",
    "title_canon_sha256": "15febbb72854a7b6568672835a11c01169dc197a14a35a96137de69993de97ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9911190",
    "kind": "arxiv",
    "version": 2
  }
}