Pith Number

pith:DFSSBV7Y

pith:1993:DFSSBV7Y6MZPICVCK2FZ4F4U4T

not attested not anchored not stored refs pending

Squeezed Vacua and the Quantum Statistics of Cosmological Particle Creation

Andrew Matacz, Be-lok Hu, G. Kang

arxiv:gr-qc/9312014 v1 · 1993-12-08 · 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{DFSSBV7Y6MZPICVCK2FZ4F4U4T}

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	2026-05-18T02:37:29.914243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

196520d7f8f332f40aa2568b9e1794e4f256f0306c9da83ca2f19164f0f1eb27

Aliases

arxiv: gr-qc/9312014 · arxiv_version: gr-qc/9312014v1 · doi: 10.48550/arxiv.gr-qc/9312014 · pith_short_12: DFSSBV7Y6MZP · pith_short_16: DFSSBV7Y6MZPICVC · pith_short_8: DFSSBV7Y

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/DFSSBV7Y6MZPICVCK2FZ4F4U4T \
  | 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: 196520d7f8f332f40aa2568b9e1794e4f256f0306c9da83ca2f19164f0f1eb27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a3bb13cf470bdae1dff006b0a193cc4a31dfb221cc78f7adf9f9a841525f751",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-12-08T03:26:09Z",
    "title_canon_sha256": "0a75986c7c4a21b4b556eae3d7d7498d39e544eda1357210699289cd51466f5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9312014",
    "kind": "arxiv",
    "version": 1
  }
}