Pith Number

pith:NEK6E7SG

pith:2004:NEK6E7SGIUZNWYX5CAHEIVOVGL

not attested not anchored not stored refs pending

Spectroscopic survey of the Galaxy with Gaia I. Design and performance of the Radial Velocity Spectrometer

A. Gomboc, A. Gomez, A. Helmi, A. Vallenari, C. Soubiran, C. Turon, D. Katz, D. Morin, et. al, F. Arenou, F. Boschi, F. Crifo, F. Royer, F. Thevenin, G. Bono, L. Tomasella, M. Cropper, M. David, M. Haywood, M. Perryman, M. Wilkinson, P. Marrese, R. Sordo, T. Zwitter, U. Munari, Y. Viala

arxiv:astro-ph/0409709 v1 · 2004-09-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NEK6E7SGIUZNWYX5CAHEIVOVGL}

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	2026-07-04T16:44:47.121370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6915e27e464532db62fd100e4455d532e5cce86b78216a28dcdd6c61fc16f451

Aliases

arxiv: astro-ph/0409709 · arxiv_version: astro-ph/0409709v1 · doi: 10.48550/arxiv.astro-ph/0409709 · pith_short_12: NEK6E7SGIUZN · pith_short_16: NEK6E7SGIUZNWYX5 · pith_short_8: NEK6E7SG

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/NEK6E7SGIUZNWYX5CAHEIVOVGL \
  | 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: 6915e27e464532db62fd100e4455d532e5cce86b78216a28dcdd6c61fc16f451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f075873a803f3551e4e2741ec9f7cdd774d4fa1f14dc402565db8767d0713c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-29T08:45:10Z",
    "title_canon_sha256": "7e6b1381f8cb1334e7dde4fc92df5674022632f985b4b6bffa8b01276ecfbf62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409709",
    "kind": "arxiv",
    "version": 1
  }
}