Pith Number

pith:6VNIFGPY

pith:2019:6VNIFGPYVRLQAYACIAX47XOMRI

not attested not anchored not stored refs pending

Assessment of the probability of microbial contamination for sample return from Martian moons I: Departure of microbes from Martian surface

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

arxiv:1907.07575 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{6VNIFGPYVRLQAYACIAX47XOMRI}

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	2026-05-17T23:40:21.686205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f55a8299f8ac57006002402fcfddcc8a003a817e98072aff22aad69db5ee49da

Aliases

arxiv: 1907.07575 · arxiv_version: 1907.07575v1 · doi: 10.48550/arxiv.1907.07575 · pith_short_12: 6VNIFGPYVRLQ · pith_short_16: 6VNIFGPYVRLQAYAC · pith_short_8: 6VNIFGPY

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/6VNIFGPYVRLQAYACIAX47XOMRI \
  | 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: f55a8299f8ac57006002402fcfddcc8a003a817e98072aff22aad69db5ee49da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89c9bdd272ca0ccbe26bf511469984c096db2663b8ad6d214246821d15fe25e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-17T15:21:10Z",
    "title_canon_sha256": "5037c167735fbf8f8f669f75f4b70122aa09b8931d75ee2b31c92aba7ce19731"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07575",
    "kind": "arxiv",
    "version": 1
  }
}