Pith Number

pith:RMLZGTW2

pith:2017:RMLZGTW2IC4ZYHDBRT2JTUJBZN

not attested not anchored not stored refs pending

HARPS-N high spectral resolution observations of Cepheids I. The Baade-Wesselink projection factor of {\delta} Cep revisited

A. Fokin, A. Gallenne, A. M\'erand, B. Pilecki, D. Graczyk, D. Mourard, E. Poretti, G. Pietrzynski, H. Neilson, J. Storm, M. Rainer, N. Nardetto, P. Kervella, P. Mathias, R. I. Anderson, W. Gieren

arxiv:1701.01589 v1 · 2017-01-06 · 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{RMLZGTW2IC4ZYHDBRT2JTUJBZN}

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	2026-05-18T00:53:04.612973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b17934eda40b99c1c618cf499d121cb4b98bb3e405b08d259b91093f6c8e6ab

Aliases

arxiv: 1701.01589 · arxiv_version: 1701.01589v1 · doi: 10.48550/arxiv.1701.01589 · pith_short_12: RMLZGTW2IC4Z · pith_short_16: RMLZGTW2IC4ZYHDB · pith_short_8: RMLZGTW2

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/RMLZGTW2IC4ZYHDBRT2JTUJBZN \
  | 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: 8b17934eda40b99c1c618cf499d121cb4b98bb3e405b08d259b91093f6c8e6ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c29e8e1a03070838a279665c608e6acbcc074cdf70cda01f1d757d7c3ea335",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-06T10:37:32Z",
    "title_canon_sha256": "e0305fd037246c395b94553676cc7ef489c46575562335245ab15398133e7a73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01589",
    "kind": "arxiv",
    "version": 1
  }
}