Pith Number

pith:THCADNZ6

pith:2012:THCADNZ6DOQFID46QUXTSQSFSO

not attested not anchored not stored refs pending

Global modelling of the early Martian climate under a denser CO2 atmosphere: Water cycle and ice evolution

B. Charnay, E. Millour, F. Forget, J.-B. Madeleine, J. Head, R. Wordsworth

arxiv:1207.3993 v2 · 2012-07-17 · astro-ph.EP · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{THCADNZ6DOQFID46QUXTSQSFSO}

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	2026-05-18T03:40:14.005844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99c401b73e1ba0540f9e852f39424593aa4dc953b026447d760946604bff60bc

Aliases

arxiv: 1207.3993 · arxiv_version: 1207.3993v2 · doi: 10.48550/arxiv.1207.3993 · pith_short_12: THCADNZ6DOQF · pith_short_16: THCADNZ6DOQFID46 · pith_short_8: THCADNZ6

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/THCADNZ6DOQFID46QUXTSQSFSO \
  | 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: 99c401b73e1ba0540f9e852f39424593aa4dc953b026447d760946604bff60bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ef0db4f8f87db9d95b199d4afd0483e9f770dea2f9d2e157cb5cfc202eb4db2",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-07-17T13:56:12Z",
    "title_canon_sha256": "fdc6b63b5d7e18c3eadd380db100178a9b8f94893de866601b4b236bc4f43c10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3993",
    "kind": "arxiv",
    "version": 2
  }
}