Pith Number

pith:S4W77B4M

pith:2017:S4W77B4MBS7BVVQIFOQVRB25G4

not attested not anchored not stored refs pending

Four years' interferometric observations of Galactic binary Cepheids

A. Gallenne, A. Merand, C. Profitt, G. Pietrzynski, N. R. Evans, P. Kervella, W. Gieren

arxiv:1707.00691 v1 · 2017-07-03 · 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{S4W77B4MBS7BVVQIFOQVRB25G4}

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	2026-05-18T00:35:19.643307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

972dff878c0cbe1ad6082ba158875d371f3849ea25be9cd670bfb5379316976d

Aliases

arxiv: 1707.00691 · arxiv_version: 1707.00691v1 · doi: 10.48550/arxiv.1707.00691 · pith_short_12: S4W77B4MBS7B · pith_short_16: S4W77B4MBS7BVVQI · pith_short_8: S4W77B4M

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/S4W77B4MBS7BVVQIFOQVRB25G4 \
  | 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: 972dff878c0cbe1ad6082ba158875d371f3849ea25be9cd670bfb5379316976d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7beabf529b07acf65ee4fd4110167e96d95bfef5f9097575c1973fafac0a8bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-03T16:20:26Z",
    "title_canon_sha256": "4ef3c1e65acaf2c6c2a4e3e547b512d89fc568761e537903654a7b7b04dbc349"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00691",
    "kind": "arxiv",
    "version": 1
  }
}