Pith Number

pith:QYUROWVJ

pith:2018:QYUROWVJGO4BF5E3YVT3DKRXDX

not attested not anchored not stored refs pending

Dissecting cold gas in a high-redshift galaxy using a lensed background quasar

A. Smette, F. Courbin, J. Hennawi, J.-K. Krogager, J. M. O'Meara, J. P. U. Fynbo, J. X. Prochaska, M. Fumagalli, M. Rafelski, P. Boiss\'e, P. Noterdaeme, S. Balashev

arxiv:1809.01053 v1 · 2018-09-04 · 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{QYUROWVJGO4BF5E3YVT3DKRXDX}

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	2026-05-18T00:00:18.202502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8629175aa933b812f49bc567b1aa371dc9eef2e92afd769baff874a11b009f82

Aliases

arxiv: 1809.01053 · arxiv_version: 1809.01053v1 · doi: 10.48550/arxiv.1809.01053 · pith_short_12: QYUROWVJGO4B · pith_short_16: QYUROWVJGO4BF5E3 · pith_short_8: QYUROWVJ

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/QYUROWVJGO4BF5E3YVT3DKRXDX \
  | 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: 8629175aa933b812f49bc567b1aa371dc9eef2e92afd769baff874a11b009f82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a3fdc090617eefba628a1d3a4e6635f536ac2964412dbe8ed8b4ea7136a9c5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-04T15:42:52Z",
    "title_canon_sha256": "b791fae84d98219a3a596fb7611fd51111263595b6dcf662ea132700589a5ba1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01053",
    "kind": "arxiv",
    "version": 1
  }
}