Pith Number

pith:NYRL7WDU

pith:2016:NYRL7WDUJA2BXHCIRNP67KZXY2

not attested not anchored not stored refs pending

The Measurement, Treatment, and Impact of Spectral Covariance and Bayesian Priors in Integral-Field Spectroscopy of Exoplanets

Johnny P. Greco, Timothy D. Brandt

arxiv:1602.00691 v2 · 2016-02-01 · astro-ph.EP · astro-ph.IM

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

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	2026-05-18T00:55:14.191174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e22bfd87448341b9c488b5fefab37c6959f967f1f71d0463134da1cf6a5b7f8

Aliases

arxiv: 1602.00691 · arxiv_version: 1602.00691v2 · doi: 10.48550/arxiv.1602.00691 · pith_short_12: NYRL7WDUJA2B · pith_short_16: NYRL7WDUJA2BXHCI · pith_short_8: NYRL7WDU

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/NYRL7WDUJA2BXHCIRNP67KZXY2 \
  | 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: 6e22bfd87448341b9c488b5fefab37c6959f967f1f71d0463134da1cf6a5b7f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb0cffde8c6196fada7379a972b2a30533ad2856027e12c8f3a84c96a60d5367",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-02-01T21:00:04Z",
    "title_canon_sha256": "f9a52ece4700ce7c7074a620e7c31e8e47b0ca283cefaefb10dc6f79eec2aa08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00691",
    "kind": "arxiv",
    "version": 2
  }
}