Pith Number

pith:BGRIXL4M

pith:2015:BGRIXL4MNO3FJBZTB6ZA6J7V2T

not attested not anchored not stored refs pending

A CubeSat for Calibrating Ground-Based and Sub-Orbital Millimeter-Wave Polarimeters (CalSat)

Andrew Kalman, Bradley R. Johnson, Brian Keating, Clement J. Vourch, Jon Kaufman, Steve Fujikawa, Timothy D. Drysdale

arxiv:1505.07033 v2 · 2015-05-26 · 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{BGRIXL4MNO3FJBZTB6ZA6J7V2T}

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	2026-05-18T01:26:25.297216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09a28baf8c6bb65487330fb20f27f5d4f8d024fee8c00b3f0577a44318d4e347

Aliases

arxiv: 1505.07033 · arxiv_version: 1505.07033v2 · doi: 10.48550/arxiv.1505.07033 · pith_short_12: BGRIXL4MNO3F · pith_short_16: BGRIXL4MNO3FJBZT · pith_short_8: BGRIXL4M

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/BGRIXL4MNO3FJBZTB6ZA6J7V2T \
  | 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: 09a28baf8c6bb65487330fb20f27f5d4f8d024fee8c00b3f0577a44318d4e347

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fa221eb3641deded06dd8525556587806b4db4870b2f3b5d9ebe26d32c9a887",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-05-26T16:16:03Z",
    "title_canon_sha256": "5cabcee58d1d883210cd57543097f7f5d6e212537bcf488f43d5d81a927f87c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07033",
    "kind": "arxiv",
    "version": 2
  }
}