Pith Number

pith:4Q3UBC7K

pith:2014:4Q3UBC7KHPIJOD6FM445J5BV4L

not attested not anchored not stored refs pending

Does SEGUE/SDSS indicate a dual Galactic halo?

Luca Casagrande, Martin Asplund, Ralph Schoenrich

arxiv:1403.0937 v1 · 2014-03-04 · 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{4Q3UBC7KHPIJOD6FM445J5BV4L}

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	2026-05-18T01:44:20.016499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e437408bea3bd0970fc56739d4f435e2d7899ed83dd02463414a1657987a9a49

Aliases

arxiv: 1403.0937 · arxiv_version: 1403.0937v1 · doi: 10.48550/arxiv.1403.0937 · pith_short_12: 4Q3UBC7KHPIJ · pith_short_16: 4Q3UBC7KHPIJOD6F · pith_short_8: 4Q3UBC7K

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/4Q3UBC7KHPIJOD6FM445J5BV4L \
  | 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: e437408bea3bd0970fc56739d4f435e2d7899ed83dd02463414a1657987a9a49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f50bc706a84e05cb236e681ea6499d57ab635c52398751f9c93c3f5416b916d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-04T21:00:07Z",
    "title_canon_sha256": "ab220970b0ffaa5bb37e8dc9511525f41910c68fb6f1cdeec6029e411b2fc3c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0937",
    "kind": "arxiv",
    "version": 1
  }
}