Pith Number

pith:5SGIS3DT

pith:2015:5SGIS3DTJ22QC2VNBOOQSECD6V

not attested not anchored not stored refs pending

A Continuum of Planet Formation Between 1 and 4 Earth Radii

Kevin C. Schlaufman

arxiv:1501.05953 v1 · 2015-01-23 · 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{5SGIS3DTJ22QC2VNBOOQSECD6V}

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	2026-05-18T01:41:08.958494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec8c896c734eb5016aad0b9d091043f5516bab3f2522e7ba75a14707e289ade9

Aliases

arxiv: 1501.05953 · arxiv_version: 1501.05953v1 · doi: 10.48550/arxiv.1501.05953 · pith_short_12: 5SGIS3DTJ22Q · pith_short_16: 5SGIS3DTJ22QC2VN · pith_short_8: 5SGIS3DT

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/5SGIS3DTJ22QC2VNBOOQSECD6V \
  | 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: ec8c896c734eb5016aad0b9d091043f5516bab3f2522e7ba75a14707e289ade9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d8a47c01fd1479eeec72f76fb4c3617ff1f73359a62a1f4bf59d6e1c5b1deb1",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-01-23T21:00:13Z",
    "title_canon_sha256": "cf662dbbd78632b868e704f8cc07ac5cdd9ffe3220bf953d37e5d7e5ac7f2791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05953",
    "kind": "arxiv",
    "version": 1
  }
}