Pith Number

pith:WU6W64PW

pith:2014:WU6W64PWCXYFJGMGC2SRCPNP3C

not attested not anchored not stored refs pending

Gemini Planet Imager Spectroscopy of the HR 8799 planets c and d

Adam Burrows, Anand Sivaramakrishnan, Andrew Norton, Brian Bauman, Bruce Macintosh, Christian Marois, Daren Dillon, Darren Erikson, Dave W. Palmer, Didier Saumon, Dmitry Savransky, Donald Gavel, Franck Marchis, Fredrik Rantakyro, Inseok Song, James A. Larkin, James McBride, James R. Graham, Jeffrey K. Chilcote, Jennifer Dunn, Jenny Patience, Jerome Maire, J. Kent Wallace, Katie M. Morzinski, Laurent Pueyo, Leslie Saddlemyer, Lisa A. Poyneer, Mark S. Marley, Markus Hartung, Marshall D. Perrin, Max Millar-Blanchaer, Michael P. Fitzgerald, Naru Sadakuni, Pascale Hibon, Patrick Ingraham, Paul G. Kalas, Quinn Konopacky, Rebecca Oppenheimer, Remi Soummer, Rene Doyon, Robert J. De Rosa, Sandrine Thomas, Schuyler G. Wolff, Sloane J. Wiktorowicz, Stephen J. Goodsell, Travis Barman

arxiv:1409.5456 v1 · 2014-09-18 · 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{WU6W64PWCXYFJGMGC2SRCPNP3C}

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	2026-05-18T01:42:01.273552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53d6f71f615f054998616a5113dafd8aa8feaaa842cde501f0efbcd80d1861d

Aliases

arxiv: 1409.5456 · arxiv_version: 1409.5456v1 · doi: 10.48550/arxiv.1409.5456 · pith_short_12: WU6W64PWCXYF · pith_short_16: WU6W64PWCXYFJGMG · pith_short_8: WU6W64PW

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/WU6W64PWCXYFJGMGC2SRCPNP3C \
  | 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: b53d6f71f615f054998616a5113dafd8aa8feaaa842cde501f0efbcd80d1861d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeae6ff267d82259b6b84a9fd80bffb7265b022111138fd75236e6a777f64630",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-09-18T20:32:10Z",
    "title_canon_sha256": "66899b69ba1e25e7b235e7f9e83bb0342801af9969487e7a99e3bdf73f616ab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5456",
    "kind": "arxiv",
    "version": 1
  }
}