Pith Number

pith:3QWN7L5B

pith:2016:3QWN7L5BCCA3SUHX3HCQA76VVZ

not attested not anchored not stored refs pending

Could Cirrus Clouds Have Warmed Early Mars?

James F. Kasting, Ramses M. Ramirez

arxiv:1608.03891 v1 · 2016-08-12 · 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{3QWN7L5BCCA3SUHX3HCQA76VVZ}

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	2026-05-18T01:02:37.205609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc2cdfafa11081b950f7d9c5007fd5ae6bc9877af00c7cac82209370c7ee79f9

Aliases

arxiv: 1608.03891 · arxiv_version: 1608.03891v1 · doi: 10.48550/arxiv.1608.03891 · pith_short_12: 3QWN7L5BCCA3 · pith_short_16: 3QWN7L5BCCA3SUHX · pith_short_8: 3QWN7L5B

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/3QWN7L5BCCA3SUHX3HCQA76VVZ \
  | 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: dc2cdfafa11081b950f7d9c5007fd5ae6bc9877af00c7cac82209370c7ee79f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "010199e22cf8de680b60ccbaf0f8fd31fb009718ab49b3416bfc54bfb64694c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-08-12T19:59:17Z",
    "title_canon_sha256": "ed1525fc32121f3e921a5a3f45f48d2dd58a77e4ff738263da71391785c03d30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03891",
    "kind": "arxiv",
    "version": 1
  }
}