Pith Number

pith:DA5TBNVP

pith:1995:DA5TBNVPNUPETX5HNBPP5R5FDU

not attested not anchored not stored refs pending

An Integrable Model of Quantum Gravity

D. Korotkin, H. Nicolai (University of Hamburg)

arxiv:hep-th/9504088 v1 · 1995-04-18 · 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{DA5TBNVPNUPETX5HNBPP5R5FDU}

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	2026-07-04T15:59:21.988052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

183b30b6af6d1e49dfa7685efec7a51d36e92105c61e368b015369156d46e7f8

Aliases

arxiv: hep-th/9504088 · arxiv_version: hep-th/9504088v1 · doi: 10.48550/arxiv.hep-th/9504088 · pith_short_12: DA5TBNVPNUPE · pith_short_16: DA5TBNVPNUPETX5H · pith_short_8: DA5TBNVP

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/DA5TBNVPNUPETX5HNBPP5R5FDU \
  | 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: 183b30b6af6d1e49dfa7685efec7a51d36e92105c61e368b015369156d46e7f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4086757ebd899ebceaa304c151006ca3c3f153777d596e21285fa05f0f487772",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-04-18T08:13:26Z",
    "title_canon_sha256": "bf799a6fb4c04bea246ffaca3dec60648b8077e739d996d3fd6b4d8f6dff3619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9504088",
    "kind": "arxiv",
    "version": 1
  }
}