Pith Number

pith:O7JDKGH5

pith:2018:O7JDKGH5IYZ4JP5FS7WR5FVKVZ

not attested not anchored not stored refs pending

A hypervelocity star with a Magellanic origin

Alessia Gualandris, Denis Erkal, Douglas Boubert, Fabio Antonini, N. Wyn Evans

arxiv:1804.10197 v1 · 2018-04-26 · 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{O7JDKGH5IYZ4JP5FS7WR5FVKVZ}

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	2026-05-18T00:03:06.114669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77d23518fd4633c4bfa597ed1e96aaae704b10b8c85ec67ac08fa18c7a29013c

Aliases

arxiv: 1804.10197 · arxiv_version: 1804.10197v1 · doi: 10.48550/arxiv.1804.10197 · pith_short_12: O7JDKGH5IYZ4 · pith_short_16: O7JDKGH5IYZ4JP5F · pith_short_8: O7JDKGH5

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/O7JDKGH5IYZ4JP5FS7WR5FVKVZ \
  | 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: 77d23518fd4633c4bfa597ed1e96aaae704b10b8c85ec67ac08fa18c7a29013c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45a99ccd013b5aeb5aaa544e34cff5f0b0806c18ca9186b7b3c34c1f5c858804",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-26T17:52:14Z",
    "title_canon_sha256": "079350157fc5244c944da96870e8a09a427e9845278c37158728f18c8dcc5858"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10197",
    "kind": "arxiv",
    "version": 1
  }
}