Pith Number

pith:NP4DDTGE

pith:2011:NP4DDTGESXARAJROCKYUVSXYTH

not attested not anchored not stored refs pending

Deep Infrared ZAMS Fits to Benchmark Open Clusters Hosting delta Scuti Stars

Daniel J. Majaess, David G. Turner, David J. Lane, Tom Krajci

arxiv:1102.1705 v2 · 2011-02-08 · astro-ph.GA · 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{NP4DDTGESXARAJROCKYUVSXYTH}

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	2026-05-18T04:20:37.979963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bf831ccc495c110262e12b14acaf899d3371e5a928c684fa7505dee059b6a77

Aliases

arxiv: 1102.1705 · arxiv_version: 1102.1705v2 · doi: 10.48550/arxiv.1102.1705 · pith_short_12: NP4DDTGESXAR · pith_short_16: NP4DDTGESXARAJRO · pith_short_8: NP4DDTGE

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/NP4DDTGESXARAJROCKYUVSXYTH \
  | 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: 6bf831ccc495c110262e12b14acaf899d3371e5a928c684fa7505dee059b6a77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10d7c01d79210c9cba8360e7fae153098dc6f114777539dd814563bbd66aa5b2",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-02-08T19:58:57Z",
    "title_canon_sha256": "f9713f4cd92c313469d449ec554448db1890a3df8208fc27dd0d25e0da004ee9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1705",
    "kind": "arxiv",
    "version": 2
  }
}