Pith Number

pith:F75BAPP6

pith:2015:F75BAPP6GPDQKTEQ7XSF77JJKR

not attested not anchored not stored refs pending

The Semiclassical Einstein Equation on Cosmological Spacetimes

Daniel Siemssen

arxiv:1503.01826 v1 · 2015-03-06 · math-ph · gr-qc · 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{F75BAPP6GPDQKTEQ7XSF77JJKR}

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	2026-05-18T02:25:27.460504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ffa103dfe33c7054c90fde45ffd295442b6962199bfcd3293a5e5079f5b7c6d

Aliases

arxiv: 1503.01826 · arxiv_version: 1503.01826v1 · doi: 10.48550/arxiv.1503.01826 · pith_short_12: F75BAPP6GPDQ · pith_short_16: F75BAPP6GPDQKTEQ · pith_short_8: F75BAPP6

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/F75BAPP6GPDQKTEQ7XSF77JJKR \
  | 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: 2ffa103dfe33c7054c90fde45ffd295442b6962199bfcd3293a5e5079f5b7c6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "874898419db79977a42f401a2e69568f8c3fe2e691b3a61e8d5855cdcc669fb3",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-03-06T01:17:52Z",
    "title_canon_sha256": "42828dc351aa0f9c957586074cb75b6cc021dd1462d2eaaafeab246f61e54bcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01826",
    "kind": "arxiv",
    "version": 1
  }
}