Pith Number

pith:J6CIWQE3

pith:1991:J6CIWQE3MP4YI6FN6CEB4DEIYT

not attested not anchored not stored refs pending

A Superstring Theory in Four Curved Space-Time Dimensions

I. Bars, K. Sfetsos

arxiv:hep-th/9111040 v1 · 1991-11-20 · 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{J6CIWQE3MP4YI6FN6CEB4DEIYT}

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.

Cited by

1 paper in Pith

Asymmetric $\lambda$-deformed cosets

Receipt and verification

First computed	2026-07-04T15:54:59.863468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f848b409b63f98478adf0881e0c88c4f3987647135525b34e2ef9544487eed1

Aliases

arxiv: hep-th/9111040 · arxiv_version: hep-th/9111040v1 · doi: 10.48550/arxiv.hep-th/9111040 · pith_short_12: J6CIWQE3MP4Y · pith_short_16: J6CIWQE3MP4YI6FN · pith_short_8: J6CIWQE3

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/J6CIWQE3MP4YI6FN6CEB4DEIYT \
  | 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: 4f848b409b63f98478adf0881e0c88c4f3987647135525b34e2ef9544487eed1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8663dc4c48b57924636e8bad562d31fd9429a14fc1f3b65a2e11b97bba9abd2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1991-11-20T22:48:42Z",
    "title_canon_sha256": "abed0556a1b2937dfad05bf18aa0130bcf2aa410dfd3a7029fc2525979d996e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9111040",
    "kind": "arxiv",
    "version": 1
  }
}