Pith Number

pith:NGX3RAHW

pith:2018:NGX3RAHW5XIKABRTD2TY3JMM3R

not attested not anchored not stored refs pending

The Delivery of Water During Terrestrial Planet Formation

Andre Izidoro, David C. Rubie, David P. O'Brien, Sean N. Raymond, Seth A. Jacobson

arxiv:1801.05456 v2 · 2018-01-16 · 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{NGX3RAHW5XIKABRTD2TY3JMM3R}

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	2026-05-18T00:23:52.134371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69afb880f6edd0a006331ea78da58cdc5fc3ebe58e16a361bc98492bac3d409d

Aliases

arxiv: 1801.05456 · arxiv_version: 1801.05456v2 · doi: 10.48550/arxiv.1801.05456 · pith_short_12: NGX3RAHW5XIK · pith_short_16: NGX3RAHW5XIKABRT · pith_short_8: NGX3RAHW

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/NGX3RAHW5XIKABRTD2TY3JMM3R \
  | 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: 69afb880f6edd0a006331ea78da58cdc5fc3ebe58e16a361bc98492bac3d409d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ff9732c6ed015c95b10d2a6384ff6dc34749009fad146c007080178f7bcd8df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-16T19:25:44Z",
    "title_canon_sha256": "8bfd05392d90f69ed3b21118c5d74dc56ace8c0e5c68007ecc986284c51fde51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05456",
    "kind": "arxiv",
    "version": 2
  }
}