Pith Number

pith:QFQFOALM

pith:2018:QFQFOALMGMEWZEHX7ZZ5BXC6NH

not attested not anchored not stored refs pending

The Metallicity Dependence of the HI Shielding Layers in Nearby Galaxies

Amiel Sternberg, Andreas Schruba, Shmuel Bialy

arxiv:1805.05353 v1 · 2018-05-14 · 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{QFQFOALMGMEWZEHX7ZZ5BXC6NH}

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	2026-05-18T00:08:41.769568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

816057016c33096c90f7fe73d0dc5e69fc97a1a487b97e6bd5b94182a3ce4d1e

Aliases

arxiv: 1805.05353 · arxiv_version: 1805.05353v1 · doi: 10.48550/arxiv.1805.05353 · pith_short_12: QFQFOALMGMEW · pith_short_16: QFQFOALMGMEWZEHX · pith_short_8: QFQFOALM

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/QFQFOALMGMEWZEHX7ZZ5BXC6NH \
  | 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: 816057016c33096c90f7fe73d0dc5e69fc97a1a487b97e6bd5b94182a3ce4d1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a49883ceb1c7cbf7caf1df357e050c38d71ce16a892ed8e136402b520dca08d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-14T18:00:25Z",
    "title_canon_sha256": "bc9d7cb151b761705f736f24c3807d622ed6106142fcccc64f4ed4ab39b2c5f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05353",
    "kind": "arxiv",
    "version": 1
  }
}