Pith Number

pith:66MSAIBC

pith:2018:66MSAIBCM3HWGHWUXGWFWH4AZ3

not attested not anchored not stored refs pending

The Orbit of the Companion to HD 100453A: Binary-Driven Spiral Arms in a Protoplanetary Disk

Daniel Apai, Jared Males, Jeffrey Fung, Katie M. Morzinski, Kevin Wagner, Laird Close, Markus Kasper, Melissa McClure, Patrick Sheehan, Phil Hinz, Ruobing Dong, Sascha P. Quanz

arxiv:1801.03900 v1 · 2018-01-11 · astro-ph.SR · 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{66MSAIBCM3HWGHWUXGWFWH4AZ3}

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	2026-05-18T00:22:23.255230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f79920202266cf631ed4b9ac5b1f80ceee9faa0ce7c9d0fdb1b725554f729c42

Aliases

arxiv: 1801.03900 · arxiv_version: 1801.03900v1 · doi: 10.48550/arxiv.1801.03900 · pith_short_12: 66MSAIBCM3HW · pith_short_16: 66MSAIBCM3HWGHWU · pith_short_8: 66MSAIBC

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/66MSAIBCM3HWGHWUXGWFWH4AZ3 \
  | 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: f79920202266cf631ed4b9ac5b1f80ceee9faa0ce7c9d0fdb1b725554f729c42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2f11f09da2c72d75388b796c713b9f581130ade7486b822dc604aec242cd6b6",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-11T17:53:42Z",
    "title_canon_sha256": "99b26455ad1e7a7ffbfdaa4ef668bacb3002ccc8cc7c2cc28ca402626944da7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03900",
    "kind": "arxiv",
    "version": 1
  }
}