Pith Number

pith:DAHXBBHN

pith:2014:DAHXBBHNIGZKIEVHXP5AQOFJFJ

not attested not anchored not stored refs pending

Narrow Polar Rings versus Wide Polar Ring/Disk Galaxies

E. Iodice

arxiv:1402.7325 v1 · 2014-02-28 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DAHXBBHNIGZKIEVHXP5AQOFJFJ}

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	2026-05-18T02:57:34.312181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

180f7084ed41b2a412a7bbfa0838a92a5c182809bf461091e899890ef60c5d20

Aliases

arxiv: 1402.7325 · arxiv_version: 1402.7325v1 · doi: 10.48550/arxiv.1402.7325 · pith_short_12: DAHXBBHNIGZK · pith_short_16: DAHXBBHNIGZKIEVH · pith_short_8: DAHXBBHN

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/DAHXBBHNIGZKIEVHXP5AQOFJFJ \
  | 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: 180f7084ed41b2a412a7bbfa0838a92a5c182809bf461091e899890ef60c5d20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e24886d324c7ecc1b52903aeaa34328db40df0c6c6f768ec3e1cdeec0ff6549",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-28T17:24:31Z",
    "title_canon_sha256": "0c30c976384dfc100bb9e613b3f5791b7c9164dcf69f832014d40ce958d9e8d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.7325",
    "kind": "arxiv",
    "version": 1
  }
}