Pith Number

pith:ULTW66KP

pith:1993:ULTW66KPF2DYU5ATVVP3UYU7VC

not attested not anchored not stored refs pending

Quantization and the Issue of Time for Various Two-Dimensional Models of Gravity

Thomas Strobl

arxiv:hep-th/9308155 v1 · 1993-08-31 · 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{ULTW66KPF2DYU5ATVVP3UYU7VC}

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	2026-05-18T04:24:16.187112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e76f794f2e878a7413ad5fba629fa88006ae5cdd4073c729f86bc2a83195a5

Aliases

arxiv: hep-th/9308155 · arxiv_version: hep-th/9308155v1 · doi: 10.48550/arxiv.hep-th/9308155 · pith_short_12: ULTW66KPF2DY · pith_short_16: ULTW66KPF2DYU5AT · pith_short_8: ULTW66KP

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/ULTW66KPF2DYU5ATVVP3UYU7VC \
  | 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: a2e76f794f2e878a7413ad5fba629fa88006ae5cdd4073c729f86bc2a83195a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1222668cdcd66827c2d840ce2a3db42923516060589f0c7e40012ec289da184",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-08-31T20:18:08Z",
    "title_canon_sha256": "d9c7304605e4b8e780e115d1de7e27d34b4deb3a00cb22f6a23aacc405c2c2f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9308155",
    "kind": "arxiv",
    "version": 1
  }
}