Pith Number

pith:ESF3OJBA

pith:2019:ESF3OJBAJDULZJ4M3PYCL3WX6A

not attested not anchored not stored refs pending

Enabling martian habitability with silica aerogel via the solid-state greenhouse effect

C. Cockell, L. Kerber, R. Wordsworth

arxiv:1907.09089 v1 · 2019-07-22 · 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{ESF3OJBAJDULZJ4M3PYCL3WX6A}

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	2026-05-17T23:40:00.230510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

248bb7242048e8bca78cdbf025eed7f01d32e91feb969b46c72fafb0b4639850

Aliases

arxiv: 1907.09089 · arxiv_version: 1907.09089v1 · doi: 10.48550/arxiv.1907.09089 · pith_short_12: ESF3OJBAJDUL · pith_short_16: ESF3OJBAJDULZJ4M · pith_short_8: ESF3OJBA

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/ESF3OJBAJDULZJ4M3PYCL3WX6A \
  | 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: 248bb7242048e8bca78cdbf025eed7f01d32e91feb969b46c72fafb0b4639850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da074d89e2bc9cd227e176b1cacd94ab8aaba59c2997465fecd94b912c4cc463",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-22T02:34:04Z",
    "title_canon_sha256": "675c3077f822bd3acb90473f1f62fb4c467d40f1994e873823328739cd9d02e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09089",
    "kind": "arxiv",
    "version": 1
  }
}