Pith Number

pith:2L3AKDXN

pith:2018:2L3AKDXNKCFL6GZPNGGUAR76DY

not attested not anchored not stored refs pending

Gaia Data Release 2: Processing the spectroscopic data

A. Gomez, A. Gueguen, A. Guerrier, A. Jean-Antoine, C. Allende Prieto, C. Babusiaux, C. Delle Luche, C. Dolding, C. Fabre, C. Panem, C. Soubiran, C. Turon, C. Zurbach, D. Katz, E. Gosset, F. Arenou, F. Crifo, F. Meynadier, F. Pailler, F. Riclet, F. Royer, F. Thevenin, G. Jasniewicz, G.M. Seabroke, G. Plum, G. Tauran, H. Huckle, K. Benson, K. Janssen, L. Chemin, L.P. Guy, M. Ajaj, M. Cropper, M. David, M. Smith, M. Zerjal, N.C. Hambly, N. Leclerc, O. Marchal, P. Panuzzo, P. Sartoretti, R. Blomme, R. Haigron, S. Baker, S. Boudreault, T. Morel, T. Zwitter, U. Munari, V. Lemaitre, Y. Damerdji, Y. Fremat, Y. Lasne, Y. Viala

arxiv:1804.09371 v1 · 2018-04-25 · astro-ph.GA · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2L3AKDXNKCFL6GZPNGGUAR76DY}

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	2026-05-18T00:08:07.368006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2f6050eed508abf1b2f698d4047fe1e1116a7da7177ce5d9b13bc6704717c86

Aliases

arxiv: 1804.09371 · arxiv_version: 1804.09371v1 · doi: 10.48550/arxiv.1804.09371 · pith_short_12: 2L3AKDXNKCFL · pith_short_16: 2L3AKDXNKCFL6GZP · pith_short_8: 2L3AKDXN

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/2L3AKDXNKCFL6GZPNGGUAR76DY \
  | 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: d2f6050eed508abf1b2f698d4047fe1e1116a7da7177ce5d9b13bc6704717c86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3a6989061bc00bc4f7d488442c67ed8ad711ff64d60021fe72debff8cd34f62",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-25T06:25:21Z",
    "title_canon_sha256": "bef030e41e20230b31f918fcd88bb3b40ecdbc0e556a173395f6128a18d7c4cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09371",
    "kind": "arxiv",
    "version": 1
  }
}