Pith Number

pith:KGYLMSOB

pith:2019:KGYLMSOBP3UMW6PPT4KL5MUKKY

not attested not anchored not stored refs pending

New Constraints on Early-Type Galaxy Assembly from Spectroscopic Metallicities of Globular Clusters in M87

Aaron J. Romanowsky, Alexa Villaume, Jay Strader, Jean Brodie

arxiv:1905.12641 v1 · 2019-05-29 · 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{KGYLMSOBP3UMW6PPT4KL5MUKKY}

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	2026-05-17T23:41:08.164352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51b0b649c17ee8cb79ef9f14beb28a562883f31bdf26e31629a1d51e49fd3224

Aliases

arxiv: 1905.12641 · arxiv_version: 1905.12641v1 · doi: 10.48550/arxiv.1905.12641 · pith_short_12: KGYLMSOBP3UM · pith_short_16: KGYLMSOBP3UMW6PP · pith_short_8: KGYLMSOB

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/KGYLMSOBP3UMW6PPT4KL5MUKKY \
  | 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: 51b0b649c17ee8cb79ef9f14beb28a562883f31bdf26e31629a1d51e49fd3224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b4abba09c118cdd70ff9ef2cb264cb89d75f0f18ea2c678f742b39ba3fd578",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-29T18:00:07Z",
    "title_canon_sha256": "a0b8993ed35f9e66c1577d04103987b2878b50c11427a2d442f7a121bc4851d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12641",
    "kind": "arxiv",
    "version": 1
  }
}