Pith Number

pith:VWKWM7YK

pith:2018:VWKWM7YKUDJPMDOYHOYJZXVV24

not attested not anchored not stored refs pending

The Time-Domain Spectroscopic Survey: Radial Velocity Variability in Dwarf Carbon Stars

Benjamin R. Roulston, Carles Badenes, Chelsea L. MacLeod, Donald P. Schneider, Joel R. Brownstein, John J. Ruan, Keivan G. Stassun, Paul J. Green, Scott F. Anderson

arxiv:1812.08086 v4 · 2018-12-19 · 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{VWKWM7YKUDJPMDOYHOYJZXVV24}

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	2026-05-17T23:44:58.048703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad95667f0aa0d2f60dd83bb09cdeb5d72d466b72bfafec7724d7fc448d60a923

Aliases

arxiv: 1812.08086 · arxiv_version: 1812.08086v4 · doi: 10.48550/arxiv.1812.08086 · pith_short_12: VWKWM7YKUDJP · pith_short_16: VWKWM7YKUDJPMDOY · pith_short_8: VWKWM7YK

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/VWKWM7YKUDJPMDOYHOYJZXVV24 \
  | 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: ad95667f0aa0d2f60dd83bb09cdeb5d72d466b72bfafec7724d7fc448d60a923

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fda6d3bf26ccc887d136a7eacddbd82cf45204e0b313895e40eeb3ee9ae10659",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-19T17:01:16Z",
    "title_canon_sha256": "1524a9d67f4726f9a0c4498418d9bc33634cfa1a7f440bc13c2d1f581e03abda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08086",
    "kind": "arxiv",
    "version": 4
  }
}