Pith Number

pith:MR2NGQY7

pith:2019:MR2NGQY7SCZTYWGXSHW7JFBILN

not attested not anchored not stored refs pending

Mars in the aftermath of a colossal impact

Hidenori Genda, Jason Man Yin Woo, Ramon Brasser, Stephen J. Mojzsis

arxiv:1906.08904 v1 · 2019-06-21 · 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{MR2NGQY7SCZTYWGXSHW7JFBILN}

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	2026-05-17T23:42:47.467323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6474d3431f90b33c58d791edf494285b514c57bb746e7a6a96a208f74691ac1d

Aliases

arxiv: 1906.08904 · arxiv_version: 1906.08904v1 · doi: 10.48550/arxiv.1906.08904 · pith_short_12: MR2NGQY7SCZT · pith_short_16: MR2NGQY7SCZTYWGX · pith_short_8: MR2NGQY7

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/MR2NGQY7SCZTYWGXSHW7JFBILN \
  | 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: 6474d3431f90b33c58d791edf494285b514c57bb746e7a6a96a208f74691ac1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eadc728cb33bcbd0f91baa1c6501b697111a81f145f987ccc5e63a95c23208d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-21T01:07:15Z",
    "title_canon_sha256": "f0b6ef776f73347a98a95c75840177958fe18ca65cd7599ef12eefd7ad4e83aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08904",
    "kind": "arxiv",
    "version": 1
  }
}