Pith Number

pith:MYZFGR4J

pith:2009:MYZFGR4JDWRVUM6CLN5ZSINVDT

not attested not anchored not stored refs pending

A possible architecture of the planetary system HR 8799

Alexander V. Krivov, Martin Reidemeister, Ralph Neuh\"auser, Sebastian M\"uller, Simone Fiedler, Tobias O. B. Schmidt, Torsten L\"ohne

arxiv:0905.4688 v1 · 2009-05-28 · 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{MYZFGR4JDWRVUM6CLN5ZSINVDT}

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	2026-05-18T02:13:31.054508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66325347891da35a33c25b7b9921b51ccfacf82873e931fc7624f945922c3139

Aliases

arxiv: 0905.4688 · arxiv_version: 0905.4688v1 · doi: 10.48550/arxiv.0905.4688 · pith_short_12: MYZFGR4JDWRV · pith_short_16: MYZFGR4JDWRVUM6C · pith_short_8: MYZFGR4J

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/MYZFGR4JDWRVUM6CLN5ZSINVDT \
  | 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: 66325347891da35a33c25b7b9921b51ccfacf82873e931fc7624f945922c3139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "636c651158359ecee59fd9ecd2bcc1ba25ec88000dfa2a9e0fc34c7998910bdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-05-28T16:14:25Z",
    "title_canon_sha256": "0bb58c9a9d8d3168d13dcdc53be7253c1617b8c772726b37c9eedf9695450d3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4688",
    "kind": "arxiv",
    "version": 1
  }
}