Pith Number

pith:HMYAG6EK

pith:2011:HMYAG6EKRMJXJBI2I4N7NKEEO2

not attested not anchored not stored refs pending

Stroemgren photometry of the Bulge: the Baade's Window and the globular cluster NGC 6522

A. Calamida, A. Pietrinferni, B. Anthony-Twarog, B. Twarog, C. E. Corsi, F. Grundahl, G. Bono, G. Iannicola, I. Ferraro, L. Pulone, M. Zoccali, R. Buonanno, S. Cassisi, V. Ripepi

arxiv:1110.6344 v1 · 2011-10-28 · 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{HMYAG6EKRMJXJBI2I4N7NKEEO2}

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	2026-05-18T04:09:57.002109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b3003788a8b1374851a471bf6a88476b7ddd03aa43592cdfe543f41b7f42fee

Aliases

arxiv: 1110.6344 · arxiv_version: 1110.6344v1 · doi: 10.48550/arxiv.1110.6344 · pith_short_12: HMYAG6EKRMJX · pith_short_16: HMYAG6EKRMJXJBI2 · pith_short_8: HMYAG6EK

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/HMYAG6EKRMJXJBI2I4N7NKEEO2 \
  | 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: 3b3003788a8b1374851a471bf6a88476b7ddd03aa43592cdfe543f41b7f42fee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "355a1f7981b05f27169758d949edcd759debedce42c6eefc4ff344ffc85bfa36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-28T14:30:10Z",
    "title_canon_sha256": "3b0377654d6c28faa6be5d8dba9c20abff83c4cad559479e2796289560e21690"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6344",
    "kind": "arxiv",
    "version": 1
  }
}