Pith Number

pith:LC7D3AWI

pith:2018:LC7D3AWI36WWMEJBGBHHNHP5TT

not attested not anchored not stored refs pending

New Insights into Cosmic Ray induced Biosignature Chemistry in Earth-like Atmospheres

F. Schreier, F. Wunderlich, H. Rauer, J. L. Grenfell, Markus Scheucher, M. Godolt

arxiv:1808.02347 v1 · 2018-08-07 · 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{LC7D3AWI36WWMEJBGBHHNHP5TT}

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	2026-05-18T00:08:46.830771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58be3d82c8dfad661121304e769dfd9cd9d4338e4a0033623a67d34f9158c8cc

Aliases

arxiv: 1808.02347 · arxiv_version: 1808.02347v1 · doi: 10.48550/arxiv.1808.02347 · pith_short_12: LC7D3AWI36WW · pith_short_16: LC7D3AWI36WWMEJB · pith_short_8: LC7D3AWI

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/LC7D3AWI36WWMEJBGBHHNHP5TT \
  | 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: 58be3d82c8dfad661121304e769dfd9cd9d4338e4a0033623a67d34f9158c8cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "722e6989af1d849a84b9edf35d5b03ae64774969a309bb028b3fae7f7ca62166",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-08-07T13:16:40Z",
    "title_canon_sha256": "a224418c017ec471b2fab098c34f7e4037ba9b87b3e7d7e66fdd6b7f4262c146"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02347",
    "kind": "arxiv",
    "version": 1
  }
}