Pith Number

pith:EJD6NJSN

pith:1991:EJD6NJSN2GXJNF6T3MXBD7O7JV

not attested not anchored not stored refs pending

Non-Perturbative 2D Quantum Gravity, Again

C.Johnson, S.Dalley, T.Morris

arxiv:hep-th/9108016 v1 · 1991-08-23 · 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{EJD6NJSN2GXJNF6T3MXBD7O7JV}

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

Instanton-Induced Closed-String Amplitudes in Minimal Superstring Theory at Subleading Order

Receipt and verification

First computed	2026-07-04T15:54:58.637819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2247e6a64dd1ae9697d3db2e11fddf4d64991d752a5dc57c1950960ca7559938

Aliases

arxiv: hep-th/9108016 · arxiv_version: hep-th/9108016v1 · doi: 10.48550/arxiv.hep-th/9108016 · pith_short_12: EJD6NJSN2GXJ · pith_short_16: EJD6NJSN2GXJNF6T · pith_short_8: EJD6NJSN

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/EJD6NJSN2GXJNF6T3MXBD7O7JV \
  | 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: 2247e6a64dd1ae9697d3db2e11fddf4d64991d752a5dc57c1950960ca7559938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cccf7e19bb1e17aae6009584dbc6e342525bb58d24e33e2f5fcdc8a986d0e4c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1991-08-23T18:02:11Z",
    "title_canon_sha256": "bdde921a37e146cc070a48de8fb65981ab9bde67a247be067ac392e2c7fcbea3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9108016",
    "kind": "arxiv",
    "version": 1
  }
}