Pith Number

pith:GU43ZPIT

pith:2020:GU43ZPITII4QHIYE3ZH3TK7YEU

not attested not anchored not stored refs pending

DRAGraces: A pipeline for the GRACES high-resolution spectrograph at Gemini

2. University of Victoria, 3. University of Arizona, 4. Institut d'Astrophysique de Paris, 5), 5. Laborat\'orio Nacional de Astrof\'isica, 6. Vera C. Rubin Observatory), Andr\'e-Nicolas Chen\'e (1), Eder Martioli (4, Jeffrey L. Carlin (6) (1. Gemini Observatory/NSFs NOIRLab, Michael Lundquist (3), Shunyuan Mao (2)

arxiv:2012.08045 v1 · 2020-12-15 · 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{GU43ZPITII4QHIYE3ZH3TK7YEU}

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	2026-07-05T02:15:38.403104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3539bcbd13423903a304de4fb9abf82510d9447bcc86a085d3143db0fa270da5

Aliases

arxiv: 2012.08045 · arxiv_version: 2012.08045v1 · doi: 10.48550/arxiv.2012.08045 · pith_short_12: GU43ZPITII4Q · pith_short_16: GU43ZPITII4QHIYE · pith_short_8: GU43ZPIT

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/GU43ZPITII4QHIYE3ZH3TK7YEU \
  | 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: 3539bcbd13423903a304de4fb9abf82510d9447bcc86a085d3143db0fa270da5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "946f005129c68c1dd224d2a16e70709fa6e69def02a29fafabac0ad3129522f2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-12-15T02:08:47Z",
    "title_canon_sha256": "7d58c32f6f42e3e571d6ddc1f5eef99435b63c5a1acb00dadc450cb7db84b888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08045",
    "kind": "arxiv",
    "version": 1
  }
}