Pith Number

pith:YZ6ZD7ES

pith:2018:YZ6ZD7ESQEE4Q5SZTCF2SJWTRU

not attested not anchored not stored refs pending

A Spectroscopic Survey of Field Red Horizontal-Branch Stars

Christopher Sneden, Dana~I. Casetti-Dinescu, Gamze B\"ocek Topcu, Gizem \c{S}ehito\u{g}lu, Melike Af\c{s}ar, Zeynep Bozkurt

arxiv:1804.04477 v1 · 2018-04-12 · astro-ph.SR · 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{YZ6ZD7ESQEE4Q5SZTCF2SJWTRU}

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	2026-05-18T00:15:14.579204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c67d91fc928109c87659988ba926d38d141a96b19986b532fd41573a3ce5f1d8

Aliases

arxiv: 1804.04477 · arxiv_version: 1804.04477v1 · doi: 10.48550/arxiv.1804.04477 · pith_short_12: YZ6ZD7ESQEE4 · pith_short_16: YZ6ZD7ESQEE4Q5SZ · pith_short_8: YZ6ZD7ES

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/YZ6ZD7ESQEE4Q5SZTCF2SJWTRU \
  | 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: c67d91fc928109c87659988ba926d38d141a96b19986b532fd41573a3ce5f1d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05fff81fab202686ac3ad13a198578176e29f39db952c5053d73a5b0b1d8b653",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-12T12:47:19Z",
    "title_canon_sha256": "aff48cdb146a38029af7b21c2f423507a5c5667e3bb66804c717d0163b58b8b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04477",
    "kind": "arxiv",
    "version": 1
  }
}