Pith Number

pith:4XUINLDG

pith:1994:4XUINLDGDZRDYZXJ6S7J6P5TOP

not attested not anchored not stored refs pending

A Superstring Theory in 2+2 Dimensions

C.N. Pope, E. Sezgin, H. Lu, K.W. Xu, X.J. Wang, Z. Khviengia

arxiv:hep-th/9410006 v1 · 1994-10-03 · 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{4XUINLDGDZRDYZXJ6S7J6P5TOP}

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	2026-07-04T14:32:43.759965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5e886ac661e623c66e9f4be9f3fb373e4a7b1a5a10e54c899d037e0730ac0c1

Aliases

arxiv: hep-th/9410006 · arxiv_version: hep-th/9410006v1 · doi: 10.48550/arxiv.hep-th/9410006 · pith_short_12: 4XUINLDGDZRD · pith_short_16: 4XUINLDGDZRDYZXJ · pith_short_8: 4XUINLDG

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/4XUINLDGDZRDYZXJ6S7J6P5TOP \
  | 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: e5e886ac661e623c66e9f4be9f3fb373e4a7b1a5a10e54c899d037e0730ac0c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91beca4653f3b94fa35f8880092b2c2c17983a33f02e7ee0ac20495b74adc4fe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-10-03T15:40:25Z",
    "title_canon_sha256": "fd7d99a7c5f6027ff185ce2ad2f9ae43e2decd583481309136a5fca5daddb656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9410006",
    "kind": "arxiv",
    "version": 1
  }
}