Pith Number

pith:HLPOZBZR

pith:2011:HLPOZBZRETANPPNKUIT4RWMOGV

not attested not anchored not stored refs pending

Classifying structures in the ISM with Support Vector Machines: the G16.05-0.57 supernova remnant

Alyssa A. Goodman, Christopher N. Beaumont, Jonathan P. Williams

arxiv:1107.5584 v1 · 2011-07-27 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLPOZBZRETANPPNKUIT4RWMOGV}

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	2026-05-18T02:01:08.661623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3adeec873124c0d7bdaaa227c8d98e354b47baeed57c8808200179b69f5716a9

Aliases

arxiv: 1107.5584 · arxiv_version: 1107.5584v1 · doi: 10.48550/arxiv.1107.5584 · pith_short_12: HLPOZBZRETAN · pith_short_16: HLPOZBZRETANPPNK · pith_short_8: HLPOZBZR

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/HLPOZBZRETANPPNKUIT4RWMOGV \
  | 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: 3adeec873124c0d7bdaaa227c8d98e354b47baeed57c8808200179b69f5716a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86b9c9f09ff6baa863d0666afc9c1ac4eaee2cea04e47888a198ea461fe286ae",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-07-27T20:04:31Z",
    "title_canon_sha256": "a04af8386c21393f93ee0df8dba3ffce0311df94f0fd7f5f578e1c155bec6b5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5584",
    "kind": "arxiv",
    "version": 1
  }
}