Pith Number

pith:RED7UWFW

pith:2018:RED7UWFW73STYF6PTII45NNMBU

not attested not anchored not stored refs pending

The chemical connection between damped Lyman-\alpha\ systems and Local Group dwarf galaxies

\'Asa Sk\'ulad\'ottir, Eline Tolstoy, Max Pettini, Stefania Salvadori, Vanessa Hill

arxiv:1802.07325 v5 · 2018-02-20 · 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{RED7UWFW73STYF6PTII45NNMBU}

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	2026-05-18T00:08:43.289398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8907fa58b6fee53c17cf9a11ceb5ac0d26f7a68a3279a9bc999e21fd8e7d30f9

Aliases

arxiv: 1802.07325 · arxiv_version: 1802.07325v5 · doi: 10.48550/arxiv.1802.07325 · pith_short_12: RED7UWFW73ST · pith_short_16: RED7UWFW73STYF6P · pith_short_8: RED7UWFW

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/RED7UWFW73STYF6PTII45NNMBU \
  | 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: 8907fa58b6fee53c17cf9a11ceb5ac0d26f7a68a3279a9bc999e21fd8e7d30f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f9d86ce847c8ba44307d3d31b997014dddfbd25e177655bdb16636b08ac5df7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-20T21:00:04Z",
    "title_canon_sha256": "289460bac461d83292a1bdb8102d01a1421d6fddc37d86c1d40c30329bc413c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07325",
    "kind": "arxiv",
    "version": 5
  }
}