Pith Number

pith:IBM4THHT

pith:2022:IBM4THHT7VVBHNQ7KLZMMXRG2W

not attested not anchored not stored refs pending

The XQR-30 Metal Absorber Catalog: 778 Absorption Systems Spanning 2 < z < 6.5

Alma M. Sebastian, Anna-Christina Eilers, Emanuele Paola Farina, Emma Ryan-Weber, Feige Wang, George D. Becker, Guido Cupani, Jinyi Yang, Manuela Bischetti, Rebecca L. Davies, Romain A. Meyer, Sarah E. I. Bosman, Valentina D'Odorico, Yongda Zhu

arxiv:2211.15816 v3 · 2022-11-28 · 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{IBM4THHT7VVBHNQ7KLZMMXRG2W}

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.

Cited by

1 paper in Pith

Early metal-enriched baryon cycling before the midpoint of cosmic reionization

Receipt and verification

First computed	2026-07-05T05:49:16.129427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4059c99cf3fd6a13b61f52f2c65e26d5a72add980372b9103cf89af05a5571c2

Aliases

arxiv: 2211.15816 · arxiv_version: 2211.15816v3 · doi: 10.48550/arxiv.2211.15816 · pith_short_12: IBM4THHT7VVB · pith_short_16: IBM4THHT7VVBHNQ7 · pith_short_8: IBM4THHT

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/IBM4THHT7VVBHNQ7KLZMMXRG2W \
  | 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: 4059c99cf3fd6a13b61f52f2c65e26d5a72add980372b9103cf89af05a5571c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b0a29ad99aaf061a5e30490c9e75aca241796f89215f03d48bc9ff6eb06f95b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-11-28T22:56:14Z",
    "title_canon_sha256": "c17265ae705d36a7c9a986b4cc6c26a719d005962471db7767fc9ca478f6aa5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.15816",
    "kind": "arxiv",
    "version": 3
  }
}