Pith Number

pith:4KW35KAA

pith:1991:4KW35KAAHGSKY3C4RCRLUGNGAN

not attested not anchored not stored refs pending

N=2 Superstrings with (1,2m) Spacetime Signature

C.N. Pope, H. Lu, K.W. Xu, X.J. Wang

arxiv:hep-th/9112014 v1 · 1991-12-06 · 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{4KW35KAAHGSKY3C4RCRLUGNGAN}

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	2026-07-04T15:53:50.987800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2adbea80039a4ac6c5c88a2ba19a6037ea80432b879f0c864a75493480bd8ad

Aliases

arxiv: hep-th/9112014 · arxiv_version: hep-th/9112014v1 · doi: 10.48550/arxiv.hep-th/9112014 · pith_short_12: 4KW35KAAHGSK · pith_short_16: 4KW35KAAHGSKY3C4 · pith_short_8: 4KW35KAA

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/4KW35KAAHGSKY3C4RCRLUGNGAN \
  | 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: e2adbea80039a4ac6c5c88a2ba19a6037ea80432b879f0c864a75493480bd8ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fc694c8b3abf67f04090756aec5232882753612c260c79875cbd20e3afa243e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1991-12-06T21:02:55Z",
    "title_canon_sha256": "5ceccced0665ac16eee19f1546ac63bbf034e7f08c5c9a64ada00d1a4546b0b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9112014",
    "kind": "arxiv",
    "version": 1
  }
}