Pith Number

pith:OVY7TMF5

pith:2021:OVY7TMF5U7UGRZZKIZXGIRSNBM

not attested not anchored not stored refs pending

Testing the 10 spectrograph units for DESI: approach and results

A. Ealet, A. Elliot, A. Karcher, A. Le Van Suu, A. Secroun, C. Magneville, D. Brooks, E. Gasta\~naga, E. Jullo, E. Sepulveda, F. Prada, G. Castagnoli, G. Tarle, J. C. Estrada, J. Edelstein, J.-G. Cuby, J. Guy, K. Honscheid, K. Zhang (for the DESI collaboration), L. Le Guillou, M. Landriau, M. Levi, N. Palanque-Delabrouille, P., P. Doel, P.-E. Blanc, P. Ghislain, P.-H.Carton, P. Jelinsky, P. Martini, P. Repain, S. Escoffier, S. Karkar, S. Perruchot, S. Ronayette, X. R\'egal, Y. Duan

arxiv:2101.12181 v1 · 2021-01-28 · 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{OVY7TMF5U7UGRZZKIZXGIRSNBM}

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	2026-07-05T02:10:35.096595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7571f9b0bda7e868e72a466e64464d0b0383d993188c7438248bfedace0c73bb

Aliases

arxiv: 2101.12181 · arxiv_version: 2101.12181v1 · doi: 10.48550/arxiv.2101.12181 · pith_short_12: OVY7TMF5U7UG · pith_short_16: OVY7TMF5U7UGRZZK · pith_short_8: OVY7TMF5

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/OVY7TMF5U7UGRZZKIZXGIRSNBM \
  | 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: 7571f9b0bda7e868e72a466e64464d0b0383d993188c7438248bfedace0c73bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d3d8f0fc72ec1a6c57661cbe40d434b4cdc1fc39485af572f01fa43d27db8a2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-01-28T18:40:47Z",
    "title_canon_sha256": "9310890f442fd03b3151812d5fb543ab138c57080418cbf08ddfb11661aa4d9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.12181",
    "kind": "arxiv",
    "version": 1
  }
}