Pith Number

pith:YIA57FKK

pith:2018:YIA57FKKM2DUVLC6R5LIIHZ6KV

not attested not anchored not stored refs pending

On the Verge of an Astronomy CubeSat Revolution

Evgenya L. Shkolnik

arxiv:1809.00667 v1 · 2018-09-03 · 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{YIA57FKKM2DUVLC6R5LIIHZ6KV}

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	2026-05-18T00:06:32.825166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c201df954a66874aac5e8f56841f3e5551f04d4edf4f57ede566fbd374066e6f

Aliases

arxiv: 1809.00667 · arxiv_version: 1809.00667v1 · doi: 10.48550/arxiv.1809.00667 · pith_short_12: YIA57FKKM2DU · pith_short_16: YIA57FKKM2DUVLC6 · pith_short_8: YIA57FKK

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/YIA57FKKM2DUVLC6R5LIIHZ6KV \
  | 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: c201df954a66874aac5e8f56841f3e5551f04d4edf4f57ede566fbd374066e6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd04c2bbd9e7c8034f620ce29bb4731d2db2cd3e8881761889fb7c225bdd8b41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-09-03T17:34:02Z",
    "title_canon_sha256": "187bbf360f21b75a0da28e57fdb8051c2cf7b5f1cfd95f3bd61cb8ab0dee9b76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00667",
    "kind": "arxiv",
    "version": 1
  }
}