Pith Number

pith:EVVKYGIA

pith:2015:EVVKYGIAVSR7PI7BAOY6USKDHG

not attested not anchored not stored refs pending

Separate universes in loop quantum cosmology: framework and applications

Edward Wilson-Ewing

arxiv:1512.05743 v2 · 2015-12-17 · 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{EVVKYGIAVSR7PI7BAOY6USKDHG}

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	2026-05-18T01:10:07.782247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

256aac1900aca3f7a3e103b1ea4943398fefbab164b50602db45b613931b94a5

Aliases

arxiv: 1512.05743 · arxiv_version: 1512.05743v2 · doi: 10.48550/arxiv.1512.05743 · pith_short_12: EVVKYGIAVSR7 · pith_short_16: EVVKYGIAVSR7PI7B · pith_short_8: EVVKYGIA

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/EVVKYGIAVSR7PI7BAOY6USKDHG \
  | 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: 256aac1900aca3f7a3e103b1ea4943398fefbab164b50602db45b613931b94a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36e143d7765306d29e46f336e9b4fa3628f25f549cce2c6f9bb19ab2c6515635",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-12-17T19:54:20Z",
    "title_canon_sha256": "c3b4acefea09e8e63b0b2a6a87f4399d5e8ca69466323dcc8387082c4699adc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05743",
    "kind": "arxiv",
    "version": 2
  }
}