Pith Number

pith:RAQVDRK2

pith:2015:RAQVDRK2NDFMWSR2WAHORJH3BH

not attested not anchored not stored refs pending

Hubble Space Telescope Near-Ultraviolet Spectroscopy of Bright CEMP-s Stars

Anna Frebel, Carlo Abate, Christopher Sneden, Dan Filler, Hendrik Schatz, Ian U. Roederer, Inese I. Ivans, James E. Lawler, Jennifer S. Sobeck, John J. Cowan, Julie A. Imig, Michael Bolte, Terese Hansen, Timothy C. Beers, Verne V. Smith, Vinicius M. Placco, Wako Aoki

arxiv:1508.05872 v1 · 2015-08-24 · 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{RAQVDRK2NDFMWSR2WAHORJH3BH}

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	2026-05-18T01:29:44.937310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

882151c55a68cacb4a3ab00ee8a4fb09c0b0f462fd64bdee82127795e1cb6352

Aliases

arxiv: 1508.05872 · arxiv_version: 1508.05872v1 · doi: 10.48550/arxiv.1508.05872 · pith_short_12: RAQVDRK2NDFM · pith_short_16: RAQVDRK2NDFMWSR2 · pith_short_8: RAQVDRK2

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/RAQVDRK2NDFMWSR2WAHORJH3BH \
  | 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: 882151c55a68cacb4a3ab00ee8a4fb09c0b0f462fd64bdee82127795e1cb6352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59bd1bb478bf3a2c5b8d685863be2887487e88acdfba9af0311bd91b5fc5bf1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-24T16:25:23Z",
    "title_canon_sha256": "1a94d94306af5c889d89d8e6fbc58e5f317fd7c70f7aa49edffb0b66050a9717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05872",
    "kind": "arxiv",
    "version": 1
  }
}