Pith Number

pith:U2L3AULS

pith:2016:U2L3AULSDXGZANGM7GCIOAKRJ4

not attested not anchored not stored refs pending

Disentangling the Virgo Overdensity with RR Lyrae stars

A. Katherina Vivas (CTIO), John Farmer (U. of Chicago), Robert Zinn (Yale), Sonia Duffau (PUC), Yiding Ping (Yale)

arxiv:1608.08981 v1 · 2016-08-31 · 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{U2L3AULSDXGZANGM7GCIOAKRJ4}

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	2026-05-18T00:59:19.527393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a697b051721dcd9034ccf9848701514f1043ecdf263e0272b1afb43e57530097

Aliases

arxiv: 1608.08981 · arxiv_version: 1608.08981v1 · doi: 10.48550/arxiv.1608.08981 · pith_short_12: U2L3AULSDXGZ · pith_short_16: U2L3AULSDXGZANGM · pith_short_8: U2L3AULS

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/U2L3AULSDXGZANGM7GCIOAKRJ4 \
  | 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: a697b051721dcd9034ccf9848701514f1043ecdf263e0272b1afb43e57530097

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4247eb22c5b3952691bc0fafd04d75799f9103311673e0a337d595ca0017cfe9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-08-31T18:31:06Z",
    "title_canon_sha256": "ea8695a147edb73b7bceb91c97ea6130f8bdd0310be99963c0dad9164043d355"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08981",
    "kind": "arxiv",
    "version": 1
  }
}