Pith Number

pith:X55EQZ6Y

pith:1998:X55EQZ6Y4HIKN5K2VRZF5R7XUM

not attested not anchored not stored refs pending

On the quadratic action of the Hawking-Turok instanton

George Lavrelashvili

arxiv:gr-qc/9804056 v2 · 1998-04-22 · gr-qc · 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{X55EQZ6Y4HIKN5K2VRZF5R7XUM}

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	2026-05-18T01:08:07.680826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf7a4867d8e1d0a6f55aac725ec7f7a312a4f8866937b92cef9f1281e46213c4

Aliases

arxiv: gr-qc/9804056 · arxiv_version: gr-qc/9804056v2 · doi: 10.48550/arxiv.gr-qc/9804056 · pith_short_12: X55EQZ6Y4HIK · pith_short_16: X55EQZ6Y4HIKN5K2 · pith_short_8: X55EQZ6Y

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/X55EQZ6Y4HIKN5K2VRZF5R7XUM \
  | 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: bf7a4867d8e1d0a6f55aac725ec7f7a312a4f8866937b92cef9f1281e46213c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f50acf87b8bf67f1965b51862218248d99faea4908b11daf8c2606210265fab",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-04-22T18:12:39Z",
    "title_canon_sha256": "d87a98d0a40139df80eae1d3143e21487870208d5ee3b28facb88047c019fd77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9804056",
    "kind": "arxiv",
    "version": 2
  }
}