Pith Number

pith:JLUX45PE

pith:2020:JLUX45PEAIGROA7UBWLVHRCGZ2

not attested not anchored not stored refs pending

No escaping helium from 55 Cnc e

Antonija Oklopcic, Fei Dai, Heather A. Knutson, Lile Wang, Michael Zhang, Renyu Hu

arxiv:2012.02198 v2 · 2020-12-03 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLUX45PEAIGROA7UBWLVHRCGZ2}

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	2026-07-05T02:25:31.281488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ae97e75e4020d1703f40d9753c446ce8acb6631cd7e5b5b881e62edf333c10a

Aliases

arxiv: 2012.02198 · arxiv_version: 2012.02198v2 · doi: 10.48550/arxiv.2012.02198 · pith_short_12: JLUX45PEAIGR · pith_short_16: JLUX45PEAIGROA7U · pith_short_8: JLUX45PE

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/JLUX45PEAIGROA7UBWLVHRCGZ2 \
  | 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: 4ae97e75e4020d1703f40d9753c446ce8acb6631cd7e5b5b881e62edf333c10a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e7df7030594ab35830a75c8647c526dcc2ef7fba8872bd5e0055cc2c6573ddf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-12-03T19:00:00Z",
    "title_canon_sha256": "42f60b7c119620d98cac8c2c32ab85954d48600b6f6c8630307ab0b456e287a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.02198",
    "kind": "arxiv",
    "version": 2
  }
}