Pith Number

pith:2EHCZNWJ

pith:2010:2EHCZNWJN77X3P33TRIHS2GSXV

not attested not anchored not stored refs pending

The ability of intermediate-band Stromgren photometry to correctly identify dwarf, subgiant, and giant stars and provide stellar metallicities and surface gravities

Anna S Arnadottir, Ingemar Lundstrom (Lund Observatory, Sofia Feltzing, Sweden)

arxiv:1008.3848 v1 · 2010-08-23 · 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{2EHCZNWJN77X3P33TRIHS2GSXV}

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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	2026-05-18T04:41:55.112777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d10e2cb6c96fff7dbf7b9c507968d2bd6388e68718415bf5c7d03e4389242fc2

Aliases

arxiv: 1008.3848 · arxiv_version: 1008.3848v1 · doi: 10.48550/arxiv.1008.3848 · pith_short_12: 2EHCZNWJN77X · pith_short_16: 2EHCZNWJN77X3P33 · pith_short_8: 2EHCZNWJ

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/2EHCZNWJN77X3P33TRIHS2GSXV \
  | 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: d10e2cb6c96fff7dbf7b9c507968d2bd6388e68718415bf5c7d03e4389242fc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a69f514c5a4df34e3a9460cd0c1abc1a25f14942928b61420175a1ecc61226c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-08-23T16:13:26Z",
    "title_canon_sha256": "cb5f421a3aaa14daa9d9619fbce3370e4a7e19e67451812201b12d17fd9ad1f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3848",
    "kind": "arxiv",
    "version": 1
  }
}