Pith Number

pith:E4X53ZXN

pith:2022:E4X53ZXNW5KZVINKSAK4ASMDY4

not attested not anchored not stored refs pending

Towards RNA life on Early Earth: From atmospheric HCN to biomolecule production in warm little ponds

Ben K. D. Pearce, Kaitlin E. Cerrillo, Karan Molaverdikhani, Ralph E. Pudritz, Thomas Henning

arxiv:2201.00829 v2 · 2022-01-03 · astro-ph.EP · physics.ao-ph · physics.chem-ph · physics.comp-ph · 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{E4X53ZXNW5KZVINKSAK4ASMDY4}

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	2026-07-05T04:31:30.564578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

272fdde6edb7559aa1aa9015c04983c73526ae32f210ff8425b0214855c2489a

Aliases

arxiv: 2201.00829 · arxiv_version: 2201.00829v2 · doi: 10.48550/arxiv.2201.00829 · pith_short_12: E4X53ZXNW5KZ · pith_short_16: E4X53ZXNW5KZVINK · pith_short_8: E4X53ZXN

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/E4X53ZXNW5KZVINKSAK4ASMDY4 \
  | 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: 272fdde6edb7559aa1aa9015c04983c73526ae32f210ff8425b0214855c2489a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a75389846f6ae99a694acaccf3c3108a3e81ae16728ba07e30cb6a1012f664b",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.chem-ph",
      "physics.comp-ph",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-01-03T19:00:04Z",
    "title_canon_sha256": "8fe33998672730395e888e2c8799be000cb36a6637d62e81bd5809836580722b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00829",
    "kind": "arxiv",
    "version": 2
  }
}