Pith Number

pith:IPMJ6367

pith:2018:IPMJ6367NYKNWQ322PPKOUHYEK

not attested not anchored not stored refs pending

Delivery of organics to Mars through asteroid and comet impacts

Floris F.S. van der Tak, Inge Loes ten Kate, Kateryna Frantseva, Michael Mueller, Sarah Greenstreet

arxiv:1803.03270 v1 · 2018-03-08 · 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{IPMJ6367NYKNWQ322PPKOUHYEK}

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	2026-05-18T00:20:01.591713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43d89f6fdf6e14db437ad3dea750f8229e949260752cc1a9ddb31ce5044b3153

Aliases

arxiv: 1803.03270 · arxiv_version: 1803.03270v1 · doi: 10.48550/arxiv.1803.03270 · pith_short_12: IPMJ6367NYKN · pith_short_16: IPMJ6367NYKNWQ32 · pith_short_8: IPMJ6367

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/IPMJ6367NYKNWQ322PPKOUHYEK \
  | 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: 43d89f6fdf6e14db437ad3dea750f8229e949260752cc1a9ddb31ce5044b3153

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e0629453d304e2c8940befdce2085ac4f429bbb7ca17cb8cfbde9d93f49b04d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-08T19:00:03Z",
    "title_canon_sha256": "e520589ea2fffbbd22b07a12303b3bf869f5abfd4bd6a11837c52c2f0b15039f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03270",
    "kind": "arxiv",
    "version": 1
  }
}