Pith Number

pith:PUQPYL3Z

pith:2026:PUQPYL3Z4JNZAXZB22JXUYATHH

not attested not anchored not stored refs pending

Characterizing robotic positioners under the influence of changing gravity vectors for future spectroscopic surveys

Andrin Fazan, Banan Yamani, Felipe Andrade-Oliveira, Guandi Zhao, Johannes W\"uthrich, L\'eonard Lebrun, Marcelle Soares-Santos, Sean MacBride

arxiv:2606.26821 v1 · 2026-06-25 · 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{PUQPYL3Z4JNZAXZB22JXUYATHH}

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	2026-06-26T01:16:00.834751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d20fc2f79e25b905f21d6937a601339f0966ff433e227e61e3195540f6b6508

Aliases

arxiv: 2606.26821 · arxiv_version: 2606.26821v1 · doi: 10.48550/arxiv.2606.26821 · pith_short_12: PUQPYL3Z4JNZ · pith_short_16: PUQPYL3Z4JNZAXZB · pith_short_8: PUQPYL3Z

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/PUQPYL3Z4JNZAXZB22JXUYATHH \
  | 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: 7d20fc2f79e25b905f21d6937a601339f0966ff433e227e61e3195540f6b6508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "130e4992684837062f1323b7db852d7467ee277de008d5e2cad4f8432631f90f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-25T10:03:26Z",
    "title_canon_sha256": "61e695a65e66b1cce3eb1bc5572d8af311c6a299b925b301945e95a4d39636fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26821",
    "kind": "arxiv",
    "version": 1
  }
}