Pith Number

pith:IOTHVNIO

pith:2025:IOTHVNIO6WBU67SAWAF3TXVU42

not attested not anchored not stored refs pending

Dynamical origin of Theia, the last giant impactor on Earth

Duarte Branco, Pedro Machado, Sean N. Raymond

arxiv:2507.01826 v1 · 2025-07-02 · 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{IOTHVNIO6WBU67SAWAF3TXVU42}

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	2026-07-05T11:30:56.049778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43a67ab50ef5834f7e40b00bb9deb4e6802776a35bb16e475f007b94d90148c4

Aliases

arxiv: 2507.01826 · arxiv_version: 2507.01826v1 · doi: 10.48550/arxiv.2507.01826 · pith_short_12: IOTHVNIO6WBU · pith_short_16: IOTHVNIO6WBU67SA · pith_short_8: IOTHVNIO

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/IOTHVNIO6WBU67SAWAF3TXVU42 \
  | 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: 43a67ab50ef5834f7e40b00bb9deb4e6802776a35bb16e475f007b94d90148c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0281dbf9232776c7f7221ae12c9c167b80f7a8c3663014a901adbbe6d7864521",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-02T15:41:34Z",
    "title_canon_sha256": "96786c89f2c93226134cf115db4920185a2d4079d1e1b12299b456f2f22519e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01826",
    "kind": "arxiv",
    "version": 1
  }
}