Pith Number

pith:QDLWLRHL

pith:2016:QDLWLRHLBCXBDTETNGYAFE3BIW

not attested not anchored not stored refs pending

A study of the elements copper through uranium in Sirius A: Contributions from STIS and ground-based spectra

Austin F. Gulliver, Charles R. Cowley, Fiorella Castelli, Glenn Wahlgren, Richard Monier, Thomas R. Ayres

arxiv:1605.08399 v1 · 2016-05-26 · 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{QDLWLRHLBCXBDTETNGYAFE3BIW}

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	2026-05-18T01:08:40.920645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80d765c4eb08ae11cc9369b0029361458caf1c318ee5447b832442838c7f5a70

Aliases

arxiv: 1605.08399 · arxiv_version: 1605.08399v1 · doi: 10.48550/arxiv.1605.08399 · pith_short_12: QDLWLRHLBCXB · pith_short_16: QDLWLRHLBCXBDTET · pith_short_8: QDLWLRHL

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/QDLWLRHLBCXBDTETNGYAFE3BIW \
  | 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: 80d765c4eb08ae11cc9369b0029361458caf1c318ee5447b832442838c7f5a70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "004d9278a6d9c9515380ff36a1af7b0df47f7bdc0c975fcb4850a1043a30272d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-26T18:33:07Z",
    "title_canon_sha256": "1a659d9cb41db25fbf4c267e0394fb52d3ca698e8854e3782582e3de09d2a817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08399",
    "kind": "arxiv",
    "version": 1
  }
}