Pith Number

pith:DUTFDAQA

pith:2014:DUTFDAQAK5RDZRKYDXD7T4W6Q5

not attested not anchored not stored refs pending

Gemini Planet Imager Observational Calibrations VII: On-Sky Polarimetric Performance of the Gemini Planet Imager

Andrew Cardwell, Bruce A. Macintosh, Dmitry Savransky, Fredrik Rantakyr\"o, Inseok Song, James R. Graham, Jeffrey K. Chilcote, J\'er\^ome Maire, Markus Hartung, Marshall D. Perrin, Max Millar-Blanchaer, Michael P. Fitzgerald, Naru Sadakuni, Pascale Hibon, Patrick Ingraham, Sandrine J. Thomas, Sloane J. Wiktorowicz, Stephen J. Goodsell, the GPI team, Zachary H. Draper

arxiv:1407.2307 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{DUTFDAQAK5RDZRKYDXD7T4W6Q5}

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	2026-07-04T23:57:47.195929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d2651820057623cc5581dc7f9f2de87629737440aba820a0d72a720ccf15269

Aliases

arxiv: 1407.2307 · arxiv_version: 1407.2307v1 · doi: 10.48550/arxiv.1407.2307 · pith_short_12: DUTFDAQAK5RD · pith_short_16: DUTFDAQAK5RDZRKY · pith_short_8: DUTFDAQA

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/DUTFDAQAK5RDZRKYDXD7T4W6Q5 \
  | 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: 1d2651820057623cc5581dc7f9f2de87629737440aba820a0d72a720ccf15269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1efbcf72cc8c492dffb899756539ecf94a81f8506bc0d5ae35efe6b8a30e02aa",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-09T00:02:09Z",
    "title_canon_sha256": "e9b896d8a84aee1b5f4503bb12642861a6f2f72279ff338244bd1f12fd789989"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2307",
    "kind": "arxiv",
    "version": 1
  }
}