Pith Number

pith:FT5WNXWH

pith:2019:FT5WNXWHTBKXLB6MRSRRIRW5MT

not attested not anchored not stored refs pending

The Role of NewSpace in Furthering Canadian Astronomy

Aaron C. Boley, Brett Gladman, Cameron Byers, Catherine Johnson, David Kendall, Frederic J. Grandmont, Jennifer Busler, Michael Byers, Tanya Harrison, William MacDonald Evans

arxiv:1910.00222 v1 · 2019-10-01 · 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{FT5WNXWHTBKXLB6MRSRRIRW5MT}

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	2026-07-05T01:04:02.663061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cfb66dec798557587cc8ca31446dd64ebc6fdcc647e2a1ce03821052e780959

Aliases

arxiv: 1910.00222 · arxiv_version: 1910.00222v1 · doi: 10.48550/arxiv.1910.00222 · pith_short_12: FT5WNXWHTBKX · pith_short_16: FT5WNXWHTBKXLB6M · pith_short_8: FT5WNXWH

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/FT5WNXWHTBKXLB6MRSRRIRW5MT \
  | 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: 2cfb66dec798557587cc8ca31446dd64ebc6fdcc647e2a1ce03821052e780959

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915be068c5f10351dbcebf92691ba6b3099f09c103fe4737e44be9d89e0cf4db",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-10-01T06:53:55Z",
    "title_canon_sha256": "3e1cd6826fa091dbd1901c3f60ecd372afeaf83c0c5de688180b186060a1beda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.00222",
    "kind": "arxiv",
    "version": 1
  }
}