Pith Number

pith:N5SP57YP

pith:2019:N5SP57YPTOXTDNORAJUGQWADFC

not attested not anchored not stored refs pending

Short life and abrupt death of PicSat, a small 3U CubeSat dreaming of exoplanet detection

Antoine Crouzier, Guillaume Schworer, Lester David, Mathias Nowak, Sylvestre Lacour, Vincent Lapeyr\`ere

arxiv:1901.02677 v1 · 2019-01-09 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5SP57YPTOXTDNORAJUGQWADFC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:56:39.834234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f64feff0f9baf31b5d10268685803288b71bea5524a1f7ba846b13137fee77e

Aliases

arxiv: 1901.02677 · arxiv_version: 1901.02677v1 · doi: 10.48550/arxiv.1901.02677 · pith_short_12: N5SP57YPTOXT · pith_short_16: N5SP57YPTOXTDNOR · pith_short_8: N5SP57YP

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/N5SP57YPTOXTDNORAJUGQWADFC \
  | 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: 6f64feff0f9baf31b5d10268685803288b71bea5524a1f7ba846b13137fee77e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f832c233b0a7666787f104be06ea79843f716202430d2db5ba9da095ea9b174",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-01-09T11:11:06Z",
    "title_canon_sha256": "bdfefe5332836ead875e7d4e1ddee1d19087cc7fbd028709aac780820370cd03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02677",
    "kind": "arxiv",
    "version": 1
  }
}