Pith Number

pith:RCAJ3QJR

pith:2018:RCAJ3QJRN7NE3MXGU75BIF55EK

not attested not anchored not stored refs pending

The evolution of universe in the two-scalar theory

Cong Li, Jia-Cheng Ding, Jian-Bo Deng, Ping Li, Qi-Qi Fan

arxiv:1807.09558 v1 · 2018-07-25 · 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{RCAJ3QJRN7NE3MXGU75BIF55EK}

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	2026-05-18T00:09:51.024845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88809dc1316fda4db2e6a7fa1417bd228a3f60709aaf145a7f184d894bc57f7e

Aliases

arxiv: 1807.09558 · arxiv_version: 1807.09558v1 · doi: 10.48550/arxiv.1807.09558 · pith_short_12: RCAJ3QJRN7NE · pith_short_16: RCAJ3QJRN7NE3MXG · pith_short_8: RCAJ3QJR

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/RCAJ3QJRN7NE3MXGU75BIF55EK \
  | 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: 88809dc1316fda4db2e6a7fa1417bd228a3f60709aaf145a7f184d894bc57f7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b690203408faf31da080f4fd5384fb81187548a86192c28d36e82d7aa840160",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-07-25T12:54:11Z",
    "title_canon_sha256": "e60ccbc3e893d579ae48c089477f0621f2be2fee7eb4374c92acfb264eb24ce9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09558",
    "kind": "arxiv",
    "version": 1
  }
}