Pith Number

pith:RQSBJY3U

pith:2020:RQSBJY3UD2VNPHCEBNH7SZDBZQ

not attested not anchored not stored refs pending

Is the faint young Sun problem for Earth solved?

Benjamin Charnay, Bernard Marty, Eric T. Wolf, Fran\c{c}ois Forget

arxiv:2006.06265 v1 · 2020-06-11 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQSBJY3UD2VNPHCEBNH7SZDBZQ}

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	2026-07-05T01:19:08.746468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c2414e3741eaad79c440b4ff96461cc0b39c10b84de22238db8a49ba857b884

Aliases

arxiv: 2006.06265 · arxiv_version: 2006.06265v1 · doi: 10.48550/arxiv.2006.06265 · pith_short_12: RQSBJY3UD2VN · pith_short_16: RQSBJY3UD2VNPHCE · pith_short_8: RQSBJY3U

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/RQSBJY3UD2VNPHCEBNH7SZDBZQ \
  | 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: 8c2414e3741eaad79c440b4ff96461cc0b39c10b84de22238db8a49ba857b884

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fefe17308ae56b53751cb43a7653db3e45f0cb6c7c3fd0b334d42e593b08e32",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-06-11T09:13:10Z",
    "title_canon_sha256": "79fee3f004a370b2278f7975e854603145f899ffeca9dd2d5e45cb301da6e9f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.06265",
    "kind": "arxiv",
    "version": 1
  }
}