Pith Number

pith:YTAUAND7

pith:2008:YTAUAND7AVPU6H6PTZY3DNOGIQ

not attested not anchored not stored refs pending

Stable cosmological models driven by a free quantum scalar field

Claudio Dappiaggi, Klaus Fredenhagen, Nicola Pinamonti

arxiv:0801.2850 v2 · 2008-01-18 · 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{YTAUAND7AVPU6H6PTZY3DNOGIQ}

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.

Cited by

1 paper in Pith

Recent developments in semiclassical gravity

Receipt and verification

First computed	2026-07-04T15:28:08.512429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4c140347f055f4f1fcf9e71b1b5c644070cb47fda44c3e7d2ad51f5ef75ed93

Aliases

arxiv: 0801.2850 · arxiv_version: 0801.2850v2 · doi: 10.48550/arxiv.0801.2850 · pith_short_12: YTAUAND7AVPU · pith_short_16: YTAUAND7AVPU6H6P · pith_short_8: YTAUAND7

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/YTAUAND7AVPU6H6PTZY3DNOGIQ \
  | 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: c4c140347f055f4f1fcf9e71b1b5c644070cb47fda44c3e7d2ad51f5ef75ed93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cebf770f204cd7ad66b355d6cccff426b2710755f34b377f311fc4eef0c5002d",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-01-18T15:24:51Z",
    "title_canon_sha256": "552a576eeaca0a1997fe64c8d6a701d010c31db9774286a6607f195894a27f0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.2850",
    "kind": "arxiv",
    "version": 2
  }
}