Pith Number

pith:HG2XTBNO

pith:1999:HG2XTBNOLM7QTCRLNLZMCRO335

not attested not anchored not stored refs pending

Semiclassical Limit and Time in Quantum Cosmology

Dongsu Bak, Jae Hyung Yee, Kwang-Sup Soh, Sang Pyo Kim, Sung Ku Kim

arxiv:gr-qc/9907031 v2 · 1999-07-08 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HG2XTBNOLM7QTCRLNLZMCRO335}

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	2026-07-04T15:27:12.741139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39b57985ae5b3f098a2b6af2c145dbdf66bc2c35cab96f9a115b0945ac622168

Aliases

arxiv: gr-qc/9907031 · arxiv_version: gr-qc/9907031v2 · doi: 10.48550/arxiv.gr-qc/9907031 · pith_short_12: HG2XTBNOLM7Q · pith_short_16: HG2XTBNOLM7QTCRL · pith_short_8: HG2XTBNO

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/HG2XTBNOLM7QTCRLNLZMCRO335 \
  | 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: 39b57985ae5b3f098a2b6af2c145dbdf66bc2c35cab96f9a115b0945ac622168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fb6f16e722e084e13df0551b3801fa16138a7dc699aa7b482333cb21ec3655e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-07-08T03:10:23Z",
    "title_canon_sha256": "676eb90ba483db7bed3fe29e04e7c5f1fdd78b867bf4a222e05e52df40f4f72f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9907031",
    "kind": "arxiv",
    "version": 2
  }
}