Pith Number

pith:MRUCF2JG

pith:2025:MRUCF2JGJ3OOSWZEK5VJQKIS72

not attested not anchored not stored refs pending

Prospects for biological evolution on Hycean worlds

Emily G. Mitchell, Nikku Madhusudhan

arxiv:2502.07872 v1 · 2025-02-11 · 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{MRUCF2JGJ3OOSWZEK5VJQKIS72}

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.

Cited by

1 paper in Pith

A generalised microbial cell model for methane biosignature predictions

Receipt and verification

First computed	2026-07-05T10:13:11.457213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

646822e9264edce95b24576a982912fe97becb33bf1cddb63794a62cc155d558

Aliases

arxiv: 2502.07872 · arxiv_version: 2502.07872v1 · doi: 10.48550/arxiv.2502.07872 · pith_short_12: MRUCF2JGJ3OO · pith_short_16: MRUCF2JGJ3OOSWZE · pith_short_8: MRUCF2JG

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/MRUCF2JGJ3OOSWZEK5VJQKIS72 \
  | 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: 646822e9264edce95b24576a982912fe97becb33bf1cddb63794a62cc155d558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04e1d85fa1b6d139009e8658fb58339d2f39edbb7ee4a1186a5ca7ebb7c4e1ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-02-11T19:00:00Z",
    "title_canon_sha256": "e5d76dfb221d411832db70364ab46ee03a3ced318a592237b2ccc5f69e107ed5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07872",
    "kind": "arxiv",
    "version": 1
  }
}