Pith Number

pith:CWKG4Z4W

pith:2014:CWKG4Z4WRUK2ZICUTVOQKAUIJC

not attested not anchored not stored refs pending

The Milky Way Project: Leveraging Citizen Science and Machine Learning to Detect Interstellar Bubbles

Alyssa Goodman, Christopher Beaumont, Jonathan Williams, Robert Simpson, Sarah Kendrew

arxiv:1406.2692 v1 · 2014-06-10 · 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{CWKG4Z4WRUK2ZICUTVOQKAUIJC}

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	2026-05-18T01:42:58.730997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15946e67968d15aca0549d5d050288489e3a59d39bb4cf0901609c2c32b91dff

Aliases

arxiv: 1406.2692 · arxiv_version: 1406.2692v1 · doi: 10.48550/arxiv.1406.2692 · pith_short_12: CWKG4Z4WRUK2 · pith_short_16: CWKG4Z4WRUK2ZICU · pith_short_8: CWKG4Z4W

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/CWKG4Z4WRUK2ZICUTVOQKAUIJC \
  | 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: 15946e67968d15aca0549d5d050288489e3a59d39bb4cf0901609c2c32b91dff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef3bc9e100aa02ce46b04b843245384540caef53e4f96541c599adb2a777b9d1",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-06-10T20:00:10Z",
    "title_canon_sha256": "737a01d3c3465045c9ef0b9124539d09784594471ef0734039ace7fe65fb5bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2692",
    "kind": "arxiv",
    "version": 1
  }
}