Pith Number

pith:SSCP4TTY

pith:2023:SSCP4TTYRSVFJXWILGFOWNMYWD

not attested not anchored not stored refs pending

Sandwiched planet formation: restricting the mass of a middle planet

David Armstrong, Farzana Meru, Kaleb Randall, Matthew Pritchard, Sahl Rowther

arxiv:2310.01488 v2 · 2023-10-02 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSCP4TTYRSVFJXWILGFOWNMYWD}

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	2026-07-05T06:58:43.041285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9484fe4e788caa54dec8598aeb3598b0ec3c51554fd9ab352ebd96b9a966c17c

Aliases

arxiv: 2310.01488 · arxiv_version: 2310.01488v2 · doi: 10.48550/arxiv.2310.01488 · pith_short_12: SSCP4TTYRSVF · pith_short_16: SSCP4TTYRSVFJXWI · pith_short_8: SSCP4TTY

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/SSCP4TTYRSVFJXWILGFOWNMYWD \
  | 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: 9484fe4e788caa54dec8598aeb3598b0ec3c51554fd9ab352ebd96b9a966c17c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4f93966e12ba228c0b9d3eaade32344cf36a01d6ee9a6400e448b118e71915d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-10-02T18:00:02Z",
    "title_canon_sha256": "8368b141e974aff4fe5735672afead4fabdb5a17cac66caccc4f623e5037aff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.01488",
    "kind": "arxiv",
    "version": 2
  }
}