Pith Number

pith:NMKPVSPM

pith:2018:NMKPVSPM3P362OJDWZPX4QGRZC

not attested not anchored not stored refs pending

The COS CGM Compendium. II: Metallicities of the Partial and Lyman Limit Systems at z<1

Benjamin D. Oppenheimer, Christopher B. Wotta, J. Christopher Howk, John O'Meara, Kathy L. Cooksey, Nicolas Lehner

arxiv:1811.10654 v1 · 2018-11-26 · 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{NMKPVSPM3P362OJDWZPX4QGRZC}

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	2026-05-17T23:53:41.456476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b14fac9ecdbf7ed3923b65f7e40d1c8893b250be3b5e55113f1cd13eb9b045c

Aliases

arxiv: 1811.10654 · arxiv_version: 1811.10654v1 · doi: 10.48550/arxiv.1811.10654 · pith_short_12: NMKPVSPM3P36 · pith_short_16: NMKPVSPM3P362OJD · pith_short_8: NMKPVSPM

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/NMKPVSPM3P362OJDWZPX4QGRZC \
  | 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: 6b14fac9ecdbf7ed3923b65f7e40d1c8893b250be3b5e55113f1cd13eb9b045c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee99503156f9f116bfddc80964f4722a7e380957cf824d0ef9646405df99a36c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-26T19:25:57Z",
    "title_canon_sha256": "f8d5fde85226b63b7a2666fd8e7c4c9194e26e7acbb03c2b075fbca0e3672a89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10654",
    "kind": "arxiv",
    "version": 1
  }
}