Pith Number

pith:KJSI2ZBT

pith:2017:KJSI2ZBTK7T4H3Y65XKIWKLJH4

not attested not anchored not stored refs pending

A grid of Synthetic Spectra for Hot DA White Dwarfs and Its Application in Stellar Population Synthesis

Ivan Hubeny, Marcos P. Diaz, Paula R. T. Coelho, Ronaldo S. Levenhagen

arxiv:1707.04299 v1 · 2017-07-13 · 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{KJSI2ZBTK7T4H3Y65XKIWKLJH4}

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	2026-05-18T00:39:30.908063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52648d643357e7c3ef1eedd48b29693f0a7fae9fd15bdc0542e0d51b8499bb93

Aliases

arxiv: 1707.04299 · arxiv_version: 1707.04299v1 · doi: 10.48550/arxiv.1707.04299 · pith_short_12: KJSI2ZBTK7T4 · pith_short_16: KJSI2ZBTK7T4H3Y6 · pith_short_8: KJSI2ZBT

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/KJSI2ZBTK7T4H3Y65XKIWKLJH4 \
  | 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: 52648d643357e7c3ef1eedd48b29693f0a7fae9fd15bdc0542e0d51b8499bb93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a74a62719f65c749064fee7ce5367a0dbb79c6072d1a7f28b5c3d3a2213e879",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-13T20:20:00Z",
    "title_canon_sha256": "fa6bfabc4a6c06a3d032f4dc73fd23ad596f0ac8565175c00ce9bbcb7a320ddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04299",
    "kind": "arxiv",
    "version": 1
  }
}