Pith Number

pith:F2PPTSGD

pith:2020:F2PPTSGDZSOMEW343EQ7GHRN5O

not attested not anchored not stored refs pending

Computational Tools for the Spectroscopic Analysis of White Dwarfs

Hsiang-Chih Hwang, Nadia L. Zakamska, Tam\'as Budav\'ari, Vedant Chandra

arxiv:2007.11598 v2 · 2020-07-22 · 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{F2PPTSGDZSOMEW343EQ7GHRN5O}

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	2026-07-05T01:33:41.589334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e9ef9c8c3cc9cc25b7cd921f31e2deb80d06cd675a677c286168953b9a80df8

Aliases

arxiv: 2007.11598 · arxiv_version: 2007.11598v2 · doi: 10.48550/arxiv.2007.11598 · pith_short_12: F2PPTSGDZSOM · pith_short_16: F2PPTSGDZSOMEW34 · pith_short_8: F2PPTSGD

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/F2PPTSGDZSOMEW343EQ7GHRN5O \
  | 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: 2e9ef9c8c3cc9cc25b7cd921f31e2deb80d06cd675a677c286168953b9a80df8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7563535b4d313771a8c32e18eeb8242abb3dfc93e3c7f8e8d092ee67b168ec1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-07-22T18:00:23Z",
    "title_canon_sha256": "a91b145388b8ca030a657e53e5d43b440728b667a49e36399a183c4e5dff73dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.11598",
    "kind": "arxiv",
    "version": 2
  }
}