Pith Number

pith:C7VCWMVR

pith:2011:C7VCWMVR2HMN65M74KZAFTX45U

not attested not anchored not stored refs pending

The role of large-scale magnetic fields in galaxy NGC 891. Can magnetic fields help to reduce the local mass-to-light ratio in the galactic outskirts?

Jan P\c{e}kala, Joanna Ja{\l}ocha, {\L}ukasz Bratek, Marek Kutschera

arxiv:1111.6417 v2 · 2011-11-28 · 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{C7VCWMVR2HMN65M74KZAFTX45U}

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	2026-05-18T03:58:36.725443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17ea2b32b1d1d8df759fe2b202cefced070c448d4e912814ed6f18940c522d29

Aliases

arxiv: 1111.6417 · arxiv_version: 1111.6417v2 · doi: 10.48550/arxiv.1111.6417 · pith_short_12: C7VCWMVR2HMN · pith_short_16: C7VCWMVR2HMN65M7 · pith_short_8: C7VCWMVR

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/C7VCWMVR2HMN65M74KZAFTX45U \
  | 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: 17ea2b32b1d1d8df759fe2b202cefced070c448d4e912814ed6f18940c522d29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f5d99c91db959365ef2c91dde62ba85c9eb2042f37814f02032292be06dea14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-28T11:32:53Z",
    "title_canon_sha256": "96ddd78e9925d7b0fd7505fe1cb218f0a5c50ad98f5e45a18148066af61d0211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6417",
    "kind": "arxiv",
    "version": 2
  }
}