Pith Number

pith:FM5OYR7F

pith:2009:FM5OYR7FXABWYFIJWNYOMFV6MQ

not attested not anchored not stored refs pending

Surviving on Mars: test with LISA simulator

F. Castellani, G. Bertoloni, G. Galletta, M. D'Alessandro, R. Visentin

arxiv:0910.4830 v1 · 2009-10-26 · astro-ph.EP · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FM5OYR7FXABWYFIJWNYOMFV6MQ}

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	2026-05-18T02:11:11.512739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b3aec47e5b8036c1509b370e616be642577e7b4a9ccd5cd6bbc3c6a9be278b4

Aliases

arxiv: 0910.4830 · arxiv_version: 0910.4830v1 · doi: 10.48550/arxiv.0910.4830 · pith_short_12: FM5OYR7FXABW · pith_short_16: FM5OYR7FXABWYFIJ · pith_short_8: FM5OYR7F

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/FM5OYR7FXABWYFIJWNYOMFV6MQ \
  | 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: 2b3aec47e5b8036c1509b370e616be642577e7b4a9ccd5cd6bbc3c6a9be278b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c926f04210b0e34a8cd2ac8bf65bae908c9cb77e248e957c640427c483342c74",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-10-26T08:53:20Z",
    "title_canon_sha256": "d0166c82d844fcf9baf0123c6c00836f01f901b1ed4e714f30e29dceb7c02972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4830",
    "kind": "arxiv",
    "version": 1
  }
}