Pith Number

pith:DP7KDOSC

pith:2021:DP7KDOSCCAFQ7KPLLASDKTUJDX

not attested not anchored not stored refs pending

Milky Way archaeology using RR Lyrae and type II Cepheids I. The Orphan stream in 7D using RR Lyrae stars

A. J. Koch-Hansen, B. Chaboyer, B. Lemasle, C. E. Mart\'inez-V\'azquez, C. Gilligan, E. K. Grebel, F. Th\'evenin, G. Altavilla, G. Bono, G. Fiorentino, H. Lala, I. Ferraro, J. Crestani, M. Dall'Ora, M. Fabrizio, M. Hanke, M. Marengo, M. Nonino, N. Matsunaga, R. Da Silva, V. F. Braga, Z. Prudil

arxiv:2102.01090 v1 · 2021-02-01 · astro-ph.GA · 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{DP7KDOSCCAFQ7KPLLASDKTUJDX}

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	2026-07-05T02:31:50.632547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bfea1ba42100b0fa9eb5824354e891dfa00471614856600984ef614de52f8d1

Aliases

arxiv: 2102.01090 · arxiv_version: 2102.01090v1 · doi: 10.48550/arxiv.2102.01090 · pith_short_12: DP7KDOSCCAFQ · pith_short_16: DP7KDOSCCAFQ7KPL · pith_short_8: DP7KDOSC

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/DP7KDOSCCAFQ7KPLLASDKTUJDX \
  | 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: 1bfea1ba42100b0fa9eb5824354e891dfa00471614856600984ef614de52f8d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99d209d53303177601480ea5a5fdbb11d576778773dfcdda1ab94b83b79c38f9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-01T19:00:03Z",
    "title_canon_sha256": "0e0adcc114a295486f2dd4fdf0800f305310cc137eaf156829457927783d18d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01090",
    "kind": "arxiv",
    "version": 1
  }
}