Pith Number

pith:DDHLSX4G

pith:2021:DDHLSX4GVELITA4EKAECRJSY26

not attested not anchored not stored refs pending

Origin of the Moon

Julien Salmon, Kaveh Pahlevan, Kevin Righter, Matija \'Cuk, Miki Nakajima, Nicolas Dauphas, Raluca Rufu, Robin M. Canup, Sarah T. Stewart, Simon J. Lock, Tom\'a\v{s} Magna

arxiv:2103.02045 v1 · 2021-03-02 · astro-ph.EP · physics.geo-ph · physics.space-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDHLSX4GVELITA4EKAECRJSY26}

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.

Cited by

1 paper in Pith

Dynamical origin of Theia, the last giant impactor on Earth

Receipt and verification

First computed	2026-07-05T02:19:59.805826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18ceb95f86a916898384500828a658d7bc94b48575241a5ce6f784007a2246d2

Aliases

arxiv: 2103.02045 · arxiv_version: 2103.02045v1 · doi: 10.48550/arxiv.2103.02045 · pith_short_12: DDHLSX4GVELI · pith_short_16: DDHLSX4GVELITA4E · pith_short_8: DDHLSX4G

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/DDHLSX4GVELITA4EKAECRJSY26 \
  | 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: 18ceb95f86a916898384500828a658d7bc94b48575241a5ce6f784007a2246d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e854b85dfdc40bd635c2b150b149fb21c4879d7307cf4ea65111c3189fac9f25",
    "cross_cats_sorted": [
      "physics.geo-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-03-02T21:50:46Z",
    "title_canon_sha256": "e0c952c5ab65481f655ad808d95a14fbe5e688034455777138fb6aec89b04159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02045",
    "kind": "arxiv",
    "version": 1
  }
}