Pith Number

pith:OD6UOLQ2

pith:1996:OD6UOLQ2KXF2GIZ7VBJWPCXZN3

not attested not anchored not stored refs pending

Stellar Photometry of the Globular Cluster NGC 6229. I. Data Reduction and Morphology of the Brighter Part of the CMD

(2) NASA/GSFC), A. V. Sweigart (2) ((1) Bulgarian Academy of Sciences, J. Borissova (1), M. Catelan (2), N. Spassova (1)

arxiv:astro-ph/9611121 v1 · 1996-11-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OD6UOLQ2KXF2GIZ7VBJWPCXZN3}

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	2026-05-18T01:07:40.564165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70fd472e1a55cba3233fa853678af96eea665e409ffe8bb1e82c29aec857d66b

Aliases

arxiv: astro-ph/9611121 · arxiv_version: astro-ph/9611121v1 · doi: 10.48550/arxiv.astro-ph/9611121 · pith_short_12: OD6UOLQ2KXF2 · pith_short_16: OD6UOLQ2KXF2GIZ7 · pith_short_8: OD6UOLQ2

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/OD6UOLQ2KXF2GIZ7VBJWPCXZN3 \
  | 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: 70fd472e1a55cba3233fa853678af96eea665e409ffe8bb1e82c29aec857d66b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "655b7b2ecd57e96c37eea861d586507f33f1fef064228d09076e8b1529f92d0e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-11-15T17:08:44Z",
    "title_canon_sha256": "802e00fdd609d2863d49dd2771f6631bfc101a1f788af07c48c5f5dd8925fed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9611121",
    "kind": "arxiv",
    "version": 1
  }
}