Pith Number

pith:3JCNXIF3

pith:2009:3JCNXIF3F7QWYKTRUKUGP7Q4ZN

not attested not anchored not stored refs pending

Mg and TiO spectral features at the near-IR: Spectrophotometric index definitions and empirical calibrations

(2) Universidad Complutense de Madrid), A. Javier Cenarro (1), Alexandre Vazdekis (1), Javier Gorgas (2) ((1) Instituto de Astrofisica de Canarias, Nicolas Cardiel (2)

arxiv:0903.4835 v1 · 2009-03-27 · 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{3JCNXIF3F7QWYKTRUKUGP7Q4ZN}

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	2026-05-18T02:14:19.005807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da44dba0bb2fe16c2a71a2a867fe1ccb5a08b0847a9fb8fb38916f4740d00098

Aliases

arxiv: 0903.4835 · arxiv_version: 0903.4835v1 · doi: 10.48550/arxiv.0903.4835 · pith_short_12: 3JCNXIF3F7QW · pith_short_16: 3JCNXIF3F7QWYKTR · pith_short_8: 3JCNXIF3

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/3JCNXIF3F7QWYKTRUKUGP7Q4ZN \
  | 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: da44dba0bb2fe16c2a71a2a867fe1ccb5a08b0847a9fb8fb38916f4740d00098

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eed7be1b88c6dd3170180e70a51ef9ce00fec8e13011e31b03585295b7426cc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-27T16:13:58Z",
    "title_canon_sha256": "07fdbe7df4cc8e788ba0827bc267b4f0c853038265213a41afdbc581ca476c1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4835",
    "kind": "arxiv",
    "version": 1
  }
}