Pith Number

pith:YTHBRYOK

pith:2019:YTHBRYOKCZYEZ5RJDYQEKFQMCF

not attested not anchored not stored refs pending

Assessment of the probability of microbial contamination for sample return from Martian moons II: The fate of microbes on Martian moons

Akihiko Yamagishi, Hidenori Genda, Kazuhisa Fujita, Kosuke Kurosawa, Ryuki Hyodo, Shingo Matsuyama, Takafumi Niihara, Takashi Mikouchi

arxiv:1907.07576 v1 · 2019-07-17 · 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{YTHBRYOKCZYEZ5RJDYQEKFQMCF}

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	2026-05-17T23:40:21.677972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4ce18e1ca16704cf6291e2045160c117b9341a0d14b5dcd87d8e488c5dfa156

Aliases

arxiv: 1907.07576 · arxiv_version: 1907.07576v1 · doi: 10.48550/arxiv.1907.07576 · pith_short_12: YTHBRYOKCZYE · pith_short_16: YTHBRYOKCZYEZ5RJ · pith_short_8: YTHBRYOK

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/YTHBRYOKCZYEZ5RJDYQEKFQMCF \
  | 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: c4ce18e1ca16704cf6291e2045160c117b9341a0d14b5dcd87d8e488c5dfa156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eab9b3bb26583117422e2f7ec95d932dcb418c9486568816fa6fdce44cd544b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-17T15:21:13Z",
    "title_canon_sha256": "daf69f3c5e5f67c6882e9c012b3c66a5887c8f0f24c3055ee1d92f5e064d2838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07576",
    "kind": "arxiv",
    "version": 1
  }
}