Pith Number

pith:UGJOW4KN

pith:2014:UGJOW4KNNUYXN3VGOBKTOETZH6

not attested not anchored not stored refs pending

Halpha and [S II] emission from warm ionized gas in the Scutum-Centaurus Arm

Alex S. Hill, Kathleen A. Barger, L. Matthew Haffner, Martin Gostisha, Robert A. Benjamin

arxiv:1404.1930 v1 · 2014-04-07 · 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{UGJOW4KNNUYXN3VGOBKTOETZH6}

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	2026-05-18T02:52:13.912235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a192eb714d6d3176eea670553712793fa109df02d39dedb33a83cef5cf951b9b

Aliases

arxiv: 1404.1930 · arxiv_version: 1404.1930v1 · doi: 10.48550/arxiv.1404.1930 · pith_short_12: UGJOW4KNNUYX · pith_short_16: UGJOW4KNNUYXN3VG · pith_short_8: UGJOW4KN

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/UGJOW4KNNUYXN3VGOBKTOETZH6 \
  | 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: a192eb714d6d3176eea670553712793fa109df02d39dedb33a83cef5cf951b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "817ffa4c082f41c8876c5919539464955034ebef9455e8869cf707b92764c843",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-07T20:00:29Z",
    "title_canon_sha256": "9b24d2512ae6888d6d19edc54dd4b82f272ade7edbe18c97424f9c334488c233"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1930",
    "kind": "arxiv",
    "version": 1
  }
}