Pith. sign in
Pith Number

pith:6KWIFWTR

pith:1999:6KWIFWTRKZQWW4GYM6ZMSVMQLV
not attested not anchored not stored refs pending

Quantum Field Theory in a Topology Changing Universe

Sang Pyo Kim

arxiv:hep-th/9902077 v2 · 1999-02-11 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6KWIFWTRKZQWW4GYM6ZMSVMQLV}

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 2026-07-04T16:14:45.023520Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f2ac82da7156616b70d867b2c955905d614ab49feef58091c327e1f3f66bc491

Aliases

arxiv: hep-th/9902077 · arxiv_version: hep-th/9902077v2 · doi: 10.48550/arxiv.hep-th/9902077 · pith_short_12: 6KWIFWTRKZQW · pith_short_16: 6KWIFWTRKZQWW4GY · pith_short_8: 6KWIFWTR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6KWIFWTRKZQWW4GYM6ZMSVMQLV \
  | 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: f2ac82da7156616b70d867b2c955905d614ab49feef58091c327e1f3f66bc491
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fcd3031883a25a7f83a33dc27960ab7bb5f3ac4a2c1365be3f45ff6ef177c9f4",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-02-11T05:55:56Z",
    "title_canon_sha256": "1d9e7e56678b22eee8715b4368e631945d4ffa5458ffd4c66f71969e540fcd6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9902077",
    "kind": "arxiv",
    "version": 2
  }
}