Pith Number

pith:Z4DWCFRK

pith:2016:Z4DWCFRKAW5KMCERHP3OGQN3GE

not attested not anchored not stored refs pending

Imaging an 80 AU Radius Dust Ring Around the F5V Star HD 157587

Abhijith Rajan, Adam C. Schneider, Alexandra Z. Greenbaum, Anand Sivaramakrishnan, Benjamin L. Gerard, Brenda C. Matthews, Bruce Macintosh, Christian Marois, Christine H. Chen, Dae-Sik Moon, David Palmer, David Vega, Deborah Padgett, Dmitry Savransky, Eric L. Nielsen, Franck Marchis, Fredrik T. Rantakyro, Gaspard Duchene, Inseok Song, James E. Larkin, James R. Graham, Jason Wang, Jeffrey Chilcote, Jennifer Patience, Jerome Maire, J. Kent Wallace, Joanna Bulger, Julien Rameau, Katherine B. Follette, Kimberly Ward-Duong, Laurent Pueyo, Lisa Poyneer, Li-Wei Hung, Mara Johnson-Groh, Mark S. Marley, Marshall Perrin, Maxwell A. Millar-Blanchaer, Michael P. Fitzgerald, Pascale Hibon, Patrick Ingraham, Paul Kalas, Quinn Konopacky, Rebecca Oppenheimer, Remi Soummer, Rene Doyon, Robert J. De Rosa, Sandrine Thomas, Sasha Hinkley, Schuyler Wolff, Sebastian Bruzzone, Sloane Wiktorowicz, S. Mark Ammons, Stanimir Metchev, Tara Cotten, Thomas M. Esposito, Travis Barman, Vanessa P. Bailey, Zachary H. Draper

arxiv:1609.00382 v2 · 2016-09-01 · 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{Z4DWCFRKAW5KMCERHP3OGQN3GE}

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	2026-05-18T01:01:22.229627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf0761162a05baa608913bf6e341bb3113b22aa211a3ec3722d4edbc3127ddc5

Aliases

arxiv: 1609.00382 · arxiv_version: 1609.00382v2 · doi: 10.48550/arxiv.1609.00382 · pith_short_12: Z4DWCFRKAW5K · pith_short_16: Z4DWCFRKAW5KMCER · pith_short_8: Z4DWCFRK

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/Z4DWCFRKAW5KMCERHP3OGQN3GE \
  | 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: cf0761162a05baa608913bf6e341bb3113b22aa211a3ec3722d4edbc3127ddc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e28d3756deab1a936fbea710ce66f822a48bf2e128cb9e31fbe56c968099c566",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-09-01T20:00:28Z",
    "title_canon_sha256": "49db07f762a22c38562a24fb29bf42fe1026880ceb8bb6615f14ce6ced99d38b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00382",
    "kind": "arxiv",
    "version": 2
  }
}