Pith Number

pith:LDGVILPW

pith:2015:LDGVILPWIFD5ZNT4MCBUZPOJIC

not attested not anchored not stored refs pending

The Milky Way Project: What are Yellowballs?

C. J. Lintott, C. R. Kerton, G. Wolf-Chase, K. Arvidsson, R. J. Simpson

arxiv:1502.01388 v1 · 2015-02-04 · astro-ph.SR · 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{LDGVILPWIFD5ZNT4MCBUZPOJIC}

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	2026-05-18T02:27:56.637900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58cd542df64147dcb67c60834cbdc94092c6397a32eb58534bd1ea65ec24ab14

Aliases

arxiv: 1502.01388 · arxiv_version: 1502.01388v1 · doi: 10.48550/arxiv.1502.01388 · pith_short_12: LDGVILPWIFD5 · pith_short_16: LDGVILPWIFD5ZNT4 · pith_short_8: LDGVILPW

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/LDGVILPWIFD5ZNT4MCBUZPOJIC \
  | 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: 58cd542df64147dcb67c60834cbdc94092c6397a32eb58534bd1ea65ec24ab14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e57b018044c73609b1dcfe03878886fbd3d53cb581797e291f4745ae00a69d15",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-04T23:01:13Z",
    "title_canon_sha256": "0fa612175d1778ab5f03480dc382fbf5d9ac63e2ef582c9586155b63e4ad15c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01388",
    "kind": "arxiv",
    "version": 1
  }
}