Pith Number

pith:ZWMLP2A3

pith:1991:ZWMLP2A3EBQETK5FCUABTXEFNY

not attested not anchored not stored refs pending

Superstring Compactification and Target Space Duality

John H. Schwarz

arxiv:hep-th/9108022 v1 · 1991-08-26 · 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{ZWMLP2A3EBQETK5FCUABTXEFNY}

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	2026-07-04T14:32:25.527279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd98b7e81b206049aba5150019dc856e319240b387acd7949cdbbb1dafa990bc

Aliases

arxiv: hep-th/9108022 · arxiv_version: hep-th/9108022v1 · doi: 10.48550/arxiv.hep-th/9108022 · pith_short_12: ZWMLP2A3EBQE · pith_short_16: ZWMLP2A3EBQETK5F · pith_short_8: ZWMLP2A3

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/ZWMLP2A3EBQETK5FCUABTXEFNY \
  | 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: cd98b7e81b206049aba5150019dc856e319240b387acd7949cdbbb1dafa990bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3965bb00403e7736a40b69dc4fa999533064769464181605c5150486228de2ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1991-08-26T23:30:33Z",
    "title_canon_sha256": "4e0e282e181ca26520546ed5a2565568fec8a299158bcb3a895ef378fec202f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9108022",
    "kind": "arxiv",
    "version": 1
  }
}