Pith Number

pith:IMMQYKWN

pith:2013:IMMQYKWN6ZGKFVLAM42C2F3SBL

not attested not anchored not stored refs pending

Martian Methyl Chloride. A lesson in uncertainty

William Bains

arxiv:1304.4429 v1 · 2013-04-16 · 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{IMMQYKWN6ZGKFVLAM42C2F3SBL}

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	2026-05-18T03:27:53.120377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43190c2acdf64ca2d56067342d17720affec327bb5d175cd7b7e62c0808c2f1c

Aliases

arxiv: 1304.4429 · arxiv_version: 1304.4429v1 · doi: 10.48550/arxiv.1304.4429 · pith_short_12: IMMQYKWN6ZGK · pith_short_16: IMMQYKWN6ZGKFVLA · pith_short_8: IMMQYKWN

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/IMMQYKWN6ZGKFVLAM42C2F3SBL \
  | 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: 43190c2acdf64ca2d56067342d17720affec327bb5d175cd7b7e62c0808c2f1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ecdaae639cdb59428d0ba289f1e15ec69f13becfa1a94cf4a34241d97b73b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-04-16T13:11:12Z",
    "title_canon_sha256": "8302041aa8d34df12195f59e8fad7a4cf0036b48485fb4ace2c06cf7347d5fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4429",
    "kind": "arxiv",
    "version": 1
  }
}