Pith Number

pith:RJ5ABZVP

pith:2009:RJ5ABZVPU6PG4UIYP3Q2SIU4KQ

not attested not anchored not stored refs pending

An Effective temperature calibration for solar type stars using equivalent width ratios - A fast and easy spectroscopic temperature estimation

A. Alapini, G. Israelian, N. C. Santos, S. G. Sousa

arxiv:0912.2651 v1 · 2009-12-14 · astro-ph.IM · 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{RJ5ABZVPU6PG4UIYP3Q2SIU4KQ}

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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	2026-05-18T02:10:23.897115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a7a00e6afa79e6e51187ee1a9229c5433f8c7644bc939cd7888030e2e4aaa0e

Aliases

arxiv: 0912.2651 · arxiv_version: 0912.2651v1 · doi: 10.48550/arxiv.0912.2651 · pith_short_12: RJ5ABZVPU6PG · pith_short_16: RJ5ABZVPU6PG4UIY · pith_short_8: RJ5ABZVP

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/RJ5ABZVPU6PG4UIYP3Q2SIU4KQ \
  | 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: 8a7a00e6afa79e6e51187ee1a9229c5433f8c7644bc939cd7888030e2e4aaa0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "603d4ca20feadfa5e151c7e99800967975c8a9157bbc8dca1403af54fd4e20bc",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-12-14T14:42:35Z",
    "title_canon_sha256": "c1721b7deeee560d8ea8a58b292a45ce2d91c216975fd5b359ff43a758f76ed5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2651",
    "kind": "arxiv",
    "version": 1
  }
}