Pith Number

pith:EKL2ZUGN

pith:1996:EKL2ZUGNKKRBU3TN2ZHAGYEKPP

not attested not anchored not stored refs pending

B-R Colors of Globular Clusters in NGC 6166 (A2199)

C.J. Pritchet (Univ. Victoria), D. Carter (RGO), T.J. Bridges, W.E. Harris (McMaster)

arxiv:astro-ph/9604159 v1 · 1996-04-26 · 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{EKL2ZUGNKKRBU3TN2ZHAGYEKPP}

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	2026-05-18T01:40:21.392008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2297acd0cd52a21a6e6dd64e03608a7bd84ee825cf9459731040b719d7efa7a5

Aliases

arxiv: astro-ph/9604159 · arxiv_version: astro-ph/9604159v1 · doi: 10.48550/arxiv.astro-ph/9604159 · pith_short_12: EKL2ZUGNKKRB · pith_short_16: EKL2ZUGNKKRBU3TN · pith_short_8: EKL2ZUGN

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/EKL2ZUGNKKRBU3TN2ZHAGYEKPP \
  | 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: 2297acd0cd52a21a6e6dd64e03608a7bd84ee825cf9459731040b719d7efa7a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e7d39aa7392faf82f5da04e6e925b8646c9f743d38f68aa30b8012a9d2e7836",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-04-26T16:03:44Z",
    "title_canon_sha256": "add2a20a4b25ea0630133fa21f8235fb93262b0051204406c62bcafbab9c6fee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9604159",
    "kind": "arxiv",
    "version": 1
  }
}