Pith Number

pith:VU7XIQRX

pith:1998:VU7XIQRXZU62EKLGVDROEFWBWU

not attested not anchored not stored refs pending

Self-Intersection Number of BPS Junctions in Backgrounds of Three and Seven-Branes

Amer Iqbal

arxiv:hep-th/9807117 v1 · 1998-07-16 · 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{VU7XIQRXZU62EKLGVDROEFWBWU}

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	2026-07-04T16:09:51.733128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad3f744237cd3da22966a8e2e216c1b5223c85c0fe4ce5dca03d1984ab37a35a

Aliases

arxiv: hep-th/9807117 · arxiv_version: hep-th/9807117v1 · doi: 10.48550/arxiv.hep-th/9807117 · pith_short_12: VU7XIQRXZU62 · pith_short_16: VU7XIQRXZU62EKLG · pith_short_8: VU7XIQRX

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/VU7XIQRXZU62EKLGVDROEFWBWU \
  | 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: ad3f744237cd3da22966a8e2e216c1b5223c85c0fe4ce5dca03d1984ab37a35a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c125c1ea3981b907804753209f63f579cfda40237ac57162dffd186ef5deb5b8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-07-16T21:52:31Z",
    "title_canon_sha256": "1376af5157b20cf725f6af49e97f244f87778e0b153cd5218a87670378aa0561"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9807117",
    "kind": "arxiv",
    "version": 1
  }
}