Pith Number

pith:JP2GQ5YY

pith:2025:JP2GQ5YY2BERMG24HLMYEPK5MJ

not attested not anchored not stored refs pending

Procedures for Constraining Robotic Fiber Positioning for Highly Multiplexed Spectroscopic Surveys: The Case of FPS for SDSS-V

Alexander Ji, Conor Sayres, Eleonora Zari, H\'ector J. Ibarra-Medel, Ilija Medan, John Donor, Joleen K. Carlberg, Jos\'e S\'anchez-Gallego, Keivan G. Stassun, Kevin R. Covey, Michael R. Blanton, S. Drew Chojnowski, Sean Morrison, Tom Dwelly, Yue Shen

arxiv:2506.15475 v2 · 2025-06-18 · 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{JP2GQ5YY2BERMG24HLMYEPK5MJ}

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	2026-07-05T12:00:28.238413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf4687718d049161b5c3ad9823d5d624418ec81a07ae199383928e8aa7baf0f

Aliases

arxiv: 2506.15475 · arxiv_version: 2506.15475v2 · doi: 10.48550/arxiv.2506.15475 · pith_short_12: JP2GQ5YY2BER · pith_short_16: JP2GQ5YY2BERMG24 · pith_short_8: JP2GQ5YY

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/JP2GQ5YY2BERMG24HLMYEPK5MJ \
  | 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: 4bf4687718d049161b5c3ad9823d5d624418ec81a07ae199383928e8aa7baf0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff97f287d67d825b12a0202e3875367197d901ba5e8d7a89e32e95de7afaf567",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-06-18T14:07:27Z",
    "title_canon_sha256": "1dbb533492f3f80ba0cb6f35c7348c4c26f4e8ebb285e8768dbd0e92171db1d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.15475",
    "kind": "arxiv",
    "version": 2
  }
}