Pith Number

pith:AROWNAM7

pith:2007:AROWNAM76YTMZYAPSZXWSGEP43

not attested not anchored not stored refs pending

Abiotic formation of O2 and O3 in high-CO2 terrestrial atmospheres

A. Segura, D. Crisp, J. F. Kasting, M. Cohen, V. S. Meadows

arxiv:0707.1557 v1 · 2007-07-11 · astro-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{AROWNAM76YTMZYAPSZXWSGEP43}

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	2026-05-18T02:35:30.814461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

045d66819ff626cce00f966f69188fe6ffb272a05c5b56bd8cc0c295558e4ea9

Aliases

arxiv: 0707.1557 · arxiv_version: 0707.1557v1 · doi: 10.48550/arxiv.0707.1557 · pith_short_12: AROWNAM76YTM · pith_short_16: AROWNAM76YTMZYAP · pith_short_8: AROWNAM7

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/AROWNAM76YTMZYAPSZXWSGEP43 \
  | 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: 045d66819ff626cce00f966f69188fe6ffb272a05c5b56bd8cc0c295558e4ea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5307830d2a14465f00fc4c21dea61f1ab51dd63cb66ebe3f97488dae53b58e7b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-11T05:07:10Z",
    "title_canon_sha256": "43f1fcfb761806210db8a1b762082b20ce40548ae99d1bcf50699f21ee2191d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.1557",
    "kind": "arxiv",
    "version": 1
  }
}