Pith Number

pith:L62Z3QJ4

pith:2013:L62Z3QJ4YUJHMDVOSMUZHHDTOX

not attested not anchored not stored refs pending

A PCA approach to stellar effective temperatures

Andr\'es Asensio Ramos, Carlos Allende Prieto, Juli\'an Mu\~noz Bermejo

arxiv:1303.7218 v2 · 2013-03-28 · astro-ph.SR · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L62Z3QJ4YUJHMDVOSMUZHHDTOX}

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	2026-05-18T01:50:51.402549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fb59dc13cc512760eae9329939c7375f7390e0389c973a55f000b8f2af0a82c

Aliases

arxiv: 1303.7218 · arxiv_version: 1303.7218v2 · doi: 10.48550/arxiv.1303.7218 · pith_short_12: L62Z3QJ4YUJH · pith_short_16: L62Z3QJ4YUJHMDVO · pith_short_8: L62Z3QJ4

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/L62Z3QJ4YUJHMDVOSMUZHHDTOX \
  | 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: 5fb59dc13cc512760eae9329939c7375f7390e0389c973a55f000b8f2af0a82c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f925961a58e425a344d22e509bb5d6c2fd1849afa90576787dd2cea00d46213b",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-28T19:32:35Z",
    "title_canon_sha256": "6300426a5634e6a7b6ffe49fbb94c175a5428dc05f980c55b31898d64b64b2f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7218",
    "kind": "arxiv",
    "version": 2
  }
}