Pith Number

pith:QUM4YKLT

pith:1993:QUM4YKLTGKVV5QLY7RSLLA7C72

not attested not anchored not stored refs pending

Two-Dimensional Black Hole and Nonperturbative String Theory

Avinash Dhar

arxiv:hep-th/9308011 v1 · 1993-08-04 · 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{QUM4YKLTGKVV5QLY7RSLLA7C72}

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	2026-05-18T01:00:26.216490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8519cc297332ab5ec178fc64b583e2fe922537eff0fba5aea8d12de3c6d8bdc6

Aliases

arxiv: hep-th/9308011 · arxiv_version: hep-th/9308011v1 · doi: 10.48550/arxiv.hep-th/9308011 · pith_short_12: QUM4YKLTGKVV · pith_short_16: QUM4YKLTGKVV5QLY · pith_short_8: QUM4YKLT

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/QUM4YKLTGKVV5QLY7RSLLA7C72 \
  | 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: 8519cc297332ab5ec178fc64b583e2fe922537eff0fba5aea8d12de3c6d8bdc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dafe846fbd6ed0d23d16739554577a5c3ea7c3fdd3ff0fbfedf7123ba58c85a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-08-04T12:57:23Z",
    "title_canon_sha256": "bccb7bf1289c3d4fa98e6dc26ce9e92980d919f2e15651bfb33a5a987a1ab628"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9308011",
    "kind": "arxiv",
    "version": 1
  }
}