Pith Number

pith:XFC4VSCN

pith:2021:XFC4VSCN2K3PWLV3WBUSPQBR7U

not attested not anchored not stored refs pending

The Cosmic Ultraviolet Baryon Survey (CUBS) -- III. Physical properties and elemental abundances of Lyman limit systems at $z<1$

Claude-Andr\'e Faucher-Gigu\`ere, Erin T. Boettcher, Fakhri S. Zahedy, Gregory L. Walth, Gwen C. Rudie, Hsiao-Wen Chen, Jenny E. Greene, John S. Mulchaey, Joop Schaye, Kathy L. Cooksey, Mandy C. Chen, Marc Rafelski, Mary E. Putman, Michael Rauch, Patrick Petitjean, Robert A. Simcoe, Sean D. Johnson, Sebastian Lopez, Sebastiano Cantalupo, Steven V. Penton, Thomas M. Cooper

arxiv:2106.04608 v1 · 2021-06-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFC4VSCN2K3PWLV3WBUSPQBR7U}

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	2026-07-05T02:53:46.897937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b945cac84dd2b6fb2ebbb06927c031fd159f32ae93352f25f2f9d8b68c572b96

Aliases

arxiv: 2106.04608 · arxiv_version: 2106.04608v1 · doi: 10.48550/arxiv.2106.04608 · pith_short_12: XFC4VSCN2K3P · pith_short_16: XFC4VSCN2K3PWLV3 · pith_short_8: XFC4VSCN

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/XFC4VSCN2K3PWLV3WBUSPQBR7U \
  | 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: b945cac84dd2b6fb2ebbb06927c031fd159f32ae93352f25f2f9d8b68c572b96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb7a29c8e61ff92d53e551bb44d3460c985ebf8a25b6bd081210097ab4000b5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-08T18:01:32Z",
    "title_canon_sha256": "ad118b11f69d3d1123e3bf1d0cd986a9c1570b24fbfc4a799cfc49aad5591213"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.04608",
    "kind": "arxiv",
    "version": 1
  }
}