Pith Number

pith:M6ATK2XH

pith:2017:M6ATK2XHEBE52G7LCPT7GQ4SVU

not attested not anchored not stored refs pending

Extraplanar HII Regions in the edge-on Spiral Galaxies NGC 3628 and NGC 4522

A. M. N. Ferguson, D. J. Bomans, R.-J. Dettmar, Y. Stein

arxiv:1706.00086 v1 · 2017-05-31 · 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{M6ATK2XHEBE52G7LCPT7GQ4SVU}

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	2026-05-18T00:36:31.396959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6781356ae72049dd1beb13e7f34392ad2c03f67e86d2524927fe5434d24338bf

Aliases

arxiv: 1706.00086 · arxiv_version: 1706.00086v1 · doi: 10.48550/arxiv.1706.00086 · pith_short_12: M6ATK2XHEBE5 · pith_short_16: M6ATK2XHEBE52G7L · pith_short_8: M6ATK2XH

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/M6ATK2XHEBE52G7LCPT7GQ4SVU \
  | 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: 6781356ae72049dd1beb13e7f34392ad2c03f67e86d2524927fe5434d24338bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "234364d0a4f1514d0d9a411536be4bedc0df88cfe1bf1a665e0b39227fc01c0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-31T20:59:24Z",
    "title_canon_sha256": "c5ae8d9a59f72d541871f71fe29e9417d59409db668cbfd33217c8cb953946eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00086",
    "kind": "arxiv",
    "version": 1
  }
}