Pith Number

pith:VFT376VN

pith:2015:VFT376VNDOYPON4T7CDMNS7B3L

not attested not anchored not stored refs pending

Testing the Early Mars H2-CO2 Greenhouse Hypothesis with a 1-D Photochemical Model

James Kasting, Natasha Batalha, Ramses Ramirez, Shawn D. Domagal-Goldman

arxiv:1507.02569 v1 · 2015-07-09 · 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{VFT376VNDOYPON4T7CDMNS7B3L}

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	2026-05-18T01:37:06.332672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a967bffaad1bb0f73793f886c6cbe1dac9c7320e64b9cc78486326c34bf55f4d

Aliases

arxiv: 1507.02569 · arxiv_version: 1507.02569v1 · doi: 10.48550/arxiv.1507.02569 · pith_short_12: VFT376VNDOYP · pith_short_16: VFT376VNDOYPON4T · pith_short_8: VFT376VN

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/VFT376VNDOYPON4T7CDMNS7B3L \
  | 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: a967bffaad1bb0f73793f886c6cbe1dac9c7320e64b9cc78486326c34bf55f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c32fa66ad52efb83012686b42559febe1337caf7404c4358ae77de8ff6b9e119",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-07-09T15:56:10Z",
    "title_canon_sha256": "623710439b840f8c879f0f5dd90f49c0f65c6cd9545712ad62a5b600bf5df501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02569",
    "kind": "arxiv",
    "version": 1
  }
}