Pith Number

pith:B7JKSAY4

pith:2017:B7JKSAY4F5PJFXC7SQTRRGXURU

not attested not anchored not stored refs pending

An empirical template library of stellar spectra for a wide range of spectral classes, luminosity classes, and metallicities using SDSS BOSS spectra

Andrew A. West, Aurora Y. Kesseli, Brandon Harrison, Dan Feldman, John J. Bochanski, Mark Veyette

arxiv:1702.06957 v2 · 2017-02-22 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7JKSAY4F5PJFXC7SQTRRGXURU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:42:07.047185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd2a9031c2f5e92dc5f9427189af48d01b569213451182d158fe253772118c8

Aliases

arxiv: 1702.06957 · arxiv_version: 1702.06957v2 · doi: 10.48550/arxiv.1702.06957 · pith_short_12: B7JKSAY4F5PJ · pith_short_16: B7JKSAY4F5PJFXC7 · pith_short_8: B7JKSAY4

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/B7JKSAY4F5PJFXC7SQTRRGXURU \
  | 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: 0fd2a9031c2f5e92dc5f9427189af48d01b569213451182d158fe253772118c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4318a2011a08164e58c62ee896ed311a2610635a4835cdd7d20cf0979e4c6237",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-02-22T19:00:03Z",
    "title_canon_sha256": "d5aebbcbb3f907f306e7ff1b84e8c50bf2d69fd887fdd85cbb1644f9e550fcd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06957",
    "kind": "arxiv",
    "version": 2
  }
}