Pith Number

pith:B2W4BCTQ

pith:2014:B2W4BCTQVOWJ54BZQCOYEYRQXF

not attested not anchored not stored refs pending

Gemini Planet Imager Observational Calibrations VI: Photometric and Spectroscopic Calibration for the Integral Field Spectrograph

Abhijith Rajan, Alexandra Z. Greenbaum, Anand Sivaramakrishnan, Bruce A. Macintosh, Christian Marois, Dmitry Savransky, James E. Larkin, James R. Graham, Jason J. Wang, Jason L. Weiss, Jean-Baptiste Ruffio, Jeffrey K. Chilcote, Jennifer Patience, J\'er\^ome Maire, Laurent A. Pueyo, Marshall D. Perrin, Max Millar-Blanchaer, Patrick J. Ingraham, Quinn M. Konopacky, Ren\'e Doyon, Robert J. De Rosa, Sandrine J. Thomas, Schuyler G. Wolff

arxiv:1407.2306 v1 · 2014-07-09 · astro-ph.IM · 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{B2W4BCTQVOWJ54BZQCOYEYRQXF}

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	2026-05-18T01:42:40.539074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eadc08a70abac9ef039809d826230b970e59d125ed0fad60440152e69e740f9

Aliases

arxiv: 1407.2306 · arxiv_version: 1407.2306v1 · doi: 10.48550/arxiv.1407.2306 · pith_short_12: B2W4BCTQVOWJ · pith_short_16: B2W4BCTQVOWJ54BZ · pith_short_8: B2W4BCTQ

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/B2W4BCTQVOWJ54BZQCOYEYRQXF \
  | 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: 0eadc08a70abac9ef039809d826230b970e59d125ed0fad60440152e69e740f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "938e50d88d22c34e3154b4fd3c1b1d9df3c37564a7b872ccc29a265e88e3d925",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-09T00:02:04Z",
    "title_canon_sha256": "8cda6648999b1b38fb2aa25e8fb6a169216cf9f1a30478a5071af2d928a0ca66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2306",
    "kind": "arxiv",
    "version": 1
  }
}