Pith Number

pith:QH4A36UY

pith:2018:QH4A36UY2REYT5DJXHPSFDL2G6

not attested not anchored not stored refs pending

Chemical Compositions of Evolved Stars From Near-Infrared IGRINS High-Resolution Spectra. I. Abundances in Three Red Horizontal Branch Stars

Christopher Sneden, Daniel T. Jaffe, Gamze B\"ocek Topcu, Gregory N. Mace, Hwihyun Kim, James E. Lawler, Melike Af\c{s}ar, Michael P. Wood, Zeynep Bozkurt

arxiv:1808.03855 v1 · 2018-08-11 · 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{QH4A36UY2REYT5DJXHPSFDL2G6}

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	2026-05-18T00:04:55.097547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81f80dfa98d44989f469b9df228d7a37a749a97c2f69a495afbe55f56369c5d8

Aliases

arxiv: 1808.03855 · arxiv_version: 1808.03855v1 · doi: 10.48550/arxiv.1808.03855 · pith_short_12: QH4A36UY2REY · pith_short_16: QH4A36UY2REYT5DJ · pith_short_8: QH4A36UY

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/QH4A36UY2REYT5DJXHPSFDL2G6 \
  | 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: 81f80dfa98d44989f469b9df228d7a37a749a97c2f69a495afbe55f56369c5d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb02495c36b0e4fc7a7ddc492e805848f37c225368c2e36ed1878d5238ccacf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-11T20:07:25Z",
    "title_canon_sha256": "b1463a4b6a3e428799c7aa8a36c8f1dfdd30ca36b5bbf83ab649c15f17cdc796"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03855",
    "kind": "arxiv",
    "version": 1
  }
}