Pith Number

pith:RI43FF65

pith:2010:RI43FF65DBEQCVEFK4KLOAZ5S3

not attested not anchored not stored refs pending

On the initial conditions and solutions of the semiclassical Einstein equations in a cosmological scenario

Nicola Pinamonti

arxiv:1001.0864 v2 · 2010-01-06 · gr-qc · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RI43FF65DBEQCVEFK4KLOAZ5S3}

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	2026-05-18T04:18:04.793680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a39b297dd18490154855714b7033d96f22eee00b8b43ad6dab3a27248edad21

Aliases

arxiv: 1001.0864 · arxiv_version: 1001.0864v2 · doi: 10.48550/arxiv.1001.0864 · pith_short_12: RI43FF65DBEQ · pith_short_16: RI43FF65DBEQCVEF · pith_short_8: RI43FF65

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/RI43FF65DBEQCVEFK4KLOAZ5S3 \
  | 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: 8a39b297dd18490154855714b7033d96f22eee00b8b43ad6dab3a27248edad21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23d18e677333e6e63fc9b538cde33257561c2b2c7c24adfcf68d33b6d66a3702",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-01-06T11:16:05Z",
    "title_canon_sha256": "0d28e7c65348e55e4f0943ea4249c76ebac0c7d395127d8853851ce78a0f6259"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0864",
    "kind": "arxiv",
    "version": 2
  }
}