Pith Number

pith:JQ36SMQR

pith:2002:JQ36SMQRCGL3Y5MLIRXYXUX4IX

not attested not anchored not stored refs pending

Particle production in time-dependent gravitational fields: the expanding mass shell

Dominik J. Schwarz, Sabine Hossenfelder, Walter Greiner

arxiv:gr-qc/0210110 v1 · 2002-10-31 · 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{JQ36SMQRCGL3Y5MLIRXYXUX4IX}

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	2026-07-04T16:33:47.779276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c37e932111197bc758b446f8bd2fc45ed9ce387f6e349f078d8c04bc31b9b62

Aliases

arxiv: gr-qc/0210110 · arxiv_version: gr-qc/0210110v1 · doi: 10.48550/arxiv.gr-qc/0210110 · pith_short_12: JQ36SMQRCGL3 · pith_short_16: JQ36SMQRCGL3Y5ML · pith_short_8: JQ36SMQR

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/JQ36SMQRCGL3Y5MLIRXYXUX4IX \
  | 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: 4c37e932111197bc758b446f8bd2fc45ed9ce387f6e349f078d8c04bc31b9b62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e69c6accf96a481ba269515362c46fdcda0b3b089a4203f98fa0f2e9290b798",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-10-31T19:40:52Z",
    "title_canon_sha256": "62d1231bd4589f4360ebf4861041d45be7d563261092c20dd4a41428c579b0f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0210110",
    "kind": "arxiv",
    "version": 1
  }
}