Pith Number

pith:37KXRGJL

pith:2018:37KXRGJLFDPW7PCABEHV6WCWUY

not attested not anchored not stored refs pending

Jsolated Stars of Low Metallicity

Efrat Sabach

arxiv:1808.05446 v1 · 2018-08-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37KXRGJLFDPW7PCABEHV6WCWUY}

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	2026-05-18T00:07:56.962397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfd578992b28df6fbc40090f5f5856a62b4b5b20587019aa23f143ab93d7a195

Aliases

arxiv: 1808.05446 · arxiv_version: 1808.05446v1 · doi: 10.48550/arxiv.1808.05446 · pith_short_12: 37KXRGJLFDPW · pith_short_16: 37KXRGJLFDPW7PCA · pith_short_8: 37KXRGJL

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/37KXRGJLFDPW7PCABEHV6WCWUY \
  | 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: dfd578992b28df6fbc40090f5f5856a62b4b5b20587019aa23f143ab93d7a195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "536ba1ea41d6d23054c7ed840f090dc1b78400ba13e43cc86ab9883dd2532e8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-16T12:39:09Z",
    "title_canon_sha256": "c1eeda3d6c5b043117d0893a2fdf82367f773b3081e13f9408778ad67642ec48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05446",
    "kind": "arxiv",
    "version": 1
  }
}