Pith Number

pith:GPGM6DBX

pith:2010:GPGM6DBXBL6ER2ZTMU7ZD7N3ML

not attested not anchored not stored refs pending

The Blue Hook Populations of Massive Globular Clusters

Allen V. Sweigart (NASA/GSFC), Ed Smith (STScI), Ivan Hubeny (Steward Obs), Thierry Lanz (U of MD), Thomas M. Brown (STScI), Wayne B. Landsman (NASA/GSFC)

arxiv:1006.1591 v1 · 2010-06-08 · 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{GPGM6DBXBL6ER2ZTMU7ZD7N3ML}

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	2026-05-18T02:06:56.024411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33cccf0c370afc48eb33653f91fdbb62f585fd5dc52ff96dc46b13e3b7fec2e8

Aliases

arxiv: 1006.1591 · arxiv_version: 1006.1591v1 · doi: 10.48550/arxiv.1006.1591 · pith_short_12: GPGM6DBXBL6E · pith_short_16: GPGM6DBXBL6ER2ZT · pith_short_8: GPGM6DBX

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/GPGM6DBXBL6ER2ZTMU7ZD7N3ML \
  | 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: 33cccf0c370afc48eb33653f91fdbb62f585fd5dc52ff96dc46b13e3b7fec2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93896c630fa88f196151a877cadcaadf52e90a52f9f41370b17f7c1f5c01291f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-08T15:47:31Z",
    "title_canon_sha256": "1eadb0317738c0b44d40aa329fc8545d6bae08878cfab9c0241d0a1350b07007"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1591",
    "kind": "arxiv",
    "version": 1
  }
}