Pith Number

pith:Q7QL3D2A

pith:2018:Q7QL3D2AHLYASPQ5RODLT6LDG3

not attested not anchored not stored refs pending

Dynamical Constraints on the HR 8799 Planets with GPI

Abhijith Rajan, Adam C. Schneider, Alexandra Z. Greenbaum, Anand Sivaramakrishnan, Benjamin L. Gerard, Bruce Macintosh, Christian Marois, Daniel Fabrycky, David Palmer, Dmitry Savransky, Eric L. Nielsen, Eugene Chiang, Franck Marchis, Fredrik T. Rantakyr\"o, Gaspard Duch\^ene, Inseok Song, James E. Larkin, James R. Graham, Jason J. Wang, Jean-Baptiste Ruffio, Jeffrey Chilcote, Jennifer Patience, J\'er\^ome Maire, J. Kent Wallace, Joanna Bulger, Julien Rameau, Katherine B. Follette, Kimberly Ward-Duong, Laurent Pueyo, Lisa Poyneer, Li-Wei Hung, Mark S. Marley, Marshall Perrin, Maxwell A. Millar-Blanchaer, Michael P. Fitzgerald, Pascale Hibon, Patrick Ingraham, Pauline Arriaga, Paul Kalas, Quinn Konopacky, Rebecca Oppenheimer, Rebekah Dawson, Remi Soummer, Ren\'e Doyon, Robert J. De Rosa, Sandrine Thomas, Schuyler Wolff, Sloane Wiktorowicz, S. Mark Ammons, Stanimir Metchev, Stephen J. Goodsell, Tara Cotten, Thomas M. Esposito, Travis Barman, Vanessa P. Bailey

arxiv:1809.04107 v1 · 2018-09-11 · 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{Q7QL3D2AHLYASPQ5RODLT6LDG3}

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	2026-05-18T00:02:30.839710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87e0bd8f403af0093e1d8b86b9f96336e6e8a463b4822ef6c1c274a29fe68d74

Aliases

arxiv: 1809.04107 · arxiv_version: 1809.04107v1 · doi: 10.48550/arxiv.1809.04107 · pith_short_12: Q7QL3D2AHLYA · pith_short_16: Q7QL3D2AHLYASPQ5 · pith_short_8: Q7QL3D2A

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/Q7QL3D2AHLYASPQ5RODLT6LDG3 \
  | 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: 87e0bd8f403af0093e1d8b86b9f96336e6e8a463b4822ef6c1c274a29fe68d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edc91602b5aa5f30bd60f607336adb413e33ac3fbc3413a3a445d43a89e9e186",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-09-11T18:53:55Z",
    "title_canon_sha256": "417b6a2a431ad1ea6db78e9d7270cc97fb1209cb1f4d2f66a88c1e82d3f00b5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04107",
    "kind": "arxiv",
    "version": 1
  }
}