Pith Number

pith:PRWC3LLI

pith:2019:PRWC3LLIOKAMICYKYBTW6YOCKO

not attested not anchored not stored refs pending

Quantum Cosmological Backreactions II: Purely Homogeneous Quantum Cosmology

J. Neuser, S. Schander, T. Thiemann

arxiv:1906.08185 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{PRWC3LLIOKAMICYKYBTW6YOCKO}

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	2026-05-17T23:42:54.389003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c6c2dad687280c40b0ac0676f61c253876237c248d7fc090a312b5d033836f1

Aliases

arxiv: 1906.08185 · arxiv_version: 1906.08185v1 · doi: 10.48550/arxiv.1906.08185 · pith_short_12: PRWC3LLIOKAM · pith_short_16: PRWC3LLIOKAMICYK · pith_short_8: PRWC3LLI

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/PRWC3LLIOKAMICYKYBTW6YOCKO \
  | 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: 7c6c2dad687280c40b0ac0676f61c253876237c248d7fc090a312b5d033836f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a64e15121ff24324811f105e201c12259c32ac7fe03db82cb381ac0f7b6a4062",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-06-19T15:57:27Z",
    "title_canon_sha256": "7719145f0d61f61fcb7f1a48cef3c4120010a4ee374ce24fb63e0121123fc5fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08185",
    "kind": "arxiv",
    "version": 1
  }
}