Pith Number

pith:GI5X52C4

pith:2019:GI5X52C4PYKMDAI24SXXE7HPUN

not attested not anchored not stored refs pending

Quantum Cosmological Backreactions I: Cosmological Space Adiabatic Perturbation Theory

S. Schander, T. Thiemann

arxiv:1906.08166 v1 · 2019-06-19 · 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{GI5X52C4PYKMDAI24SXXE7HPUN}

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	2026-05-17T23:42:54.452080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

323b7ee85c7e14c1811ae4af727cefa36e344ef694a94f0d86adbe99400093be

Aliases

arxiv: 1906.08166 · arxiv_version: 1906.08166v1 · doi: 10.48550/arxiv.1906.08166 · pith_short_12: GI5X52C4PYKM · pith_short_16: GI5X52C4PYKMDAI2 · pith_short_8: GI5X52C4

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/GI5X52C4PYKMDAI24SXXE7HPUN \
  | 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: 323b7ee85c7e14c1811ae4af727cefa36e344ef694a94f0d86adbe99400093be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f21def14ae8c4d941cf8b86f4a09580b33507e8f00a783dfe52436a12d6673ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-06-19T15:44:25Z",
    "title_canon_sha256": "c14f93edf6990191c834423c89f78fd8ef5335fd9254028314f63176c30eba1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08166",
    "kind": "arxiv",
    "version": 1
  }
}