Pith Number

pith:BA5IASTI

pith:1999:BA5IASTIICJ3OMDHWARFSJW56H

not attested not anchored not stored refs pending

Higher Derivative Couplings and Heterotic-Type I Duality in Eight Dimensions

K. Foerger (CPHT), S. Stieberger (CERN)

arxiv:hep-th/9901020 v2 · 1999-01-06 · 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{BA5IASTIICJ3OMDHWARFSJW56H}

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	2026-05-18T02:35:54.697235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

083a804a684093b73067b0225926ddf1db05b81de20dfe99b8af5321d40be12f

Aliases

arxiv: hep-th/9901020 · arxiv_version: hep-th/9901020v2 · doi: 10.48550/arxiv.hep-th/9901020 · pith_short_12: BA5IASTIICJ3 · pith_short_16: BA5IASTIICJ3OMDH · pith_short_8: BA5IASTI

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/BA5IASTIICJ3OMDHWARFSJW56H \
  | 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: 083a804a684093b73067b0225926ddf1db05b81de20dfe99b8af5321d40be12f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e31705058f5e23a410b51f6d6b60bc39f68358b6f865b551a43d8c54e60cac81",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-01-06T00:44:17Z",
    "title_canon_sha256": "275c9b357f3750b27089052d51c02e2c4a0d3178be77fec4097d2909b54e638a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9901020",
    "kind": "arxiv",
    "version": 2
  }
}