Pith Number

pith:5IRJ5J2S

pith:2016:5IRJ5J2SDFIJ3Z3ETPZNC4LPH6

not attested not anchored not stored refs pending

Gemini Planet Imager Observational Calibrations XIV: Polarimetric Contrasts and New Data Reduction Techniques

James R. Graham, Jason J. Wang, Jeffrey Chilcote, Li-Wei Hung, Marshall D. Perrin, Maxwell A. Millar-Blanchaer, Michael P. Fitzgerald, Paul G. Kalas, Sebastian Bruzzone, the GPI collaboration

arxiv:1609.08691 v1 · 2016-09-27 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IRJ5J2SDFIJ3Z3ETPZNC4LPH6}

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	2026-05-18T01:03:42.189462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea229ea75219509de7649bf2d1716f3fa4b73c19132c28d2a5be5b728de27bcc

Aliases

arxiv: 1609.08691 · arxiv_version: 1609.08691v1 · doi: 10.48550/arxiv.1609.08691 · pith_short_12: 5IRJ5J2SDFIJ · pith_short_16: 5IRJ5J2SDFIJ3Z3E · pith_short_8: 5IRJ5J2S

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/5IRJ5J2SDFIJ3Z3ETPZNC4LPH6 \
  | 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: ea229ea75219509de7649bf2d1716f3fa4b73c19132c28d2a5be5b728de27bcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d17c64438550196bd9a4a927f00f8c840b46e30f81b41474809fe8ea214c9244",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-09-27T22:20:24Z",
    "title_canon_sha256": "1ab24bc5e0e26bf40a326d0a0eccb231e7d13655b8fb67e98d02b6107a7ff380"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08691",
    "kind": "arxiv",
    "version": 1
  }
}