pith. sign in
Pith Number

pith:CZ36UZ57

pith:2015:CZ36UZ57LPDBKRW6G6SYDADOUP
not attested not anchored not stored refs pending

Classical Cepheids and the spiral structure of the Milky Way

A. K. Dambis, A. S. Rastorguev, A. Yu. Kniazev, D. G. Turner, D. J. Majaess, E. V. Glushkova, L. N. Berdnikov, R. Sefako, V. V. Kravtsov, Yu. N. Efremov

arxiv:1505.01782 v1 · 2015-05-07 · astro-ph.GA · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CZ36UZ57LPDBKRW6G6SYDADOUP}

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 2026-05-18T01:32:29.557918Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1677ea67bf5bc61546de37a581806ea3c1c2ad4517f093363727717e7695aac1

Aliases

arxiv: 1505.01782 · arxiv_version: 1505.01782v1 · doi: 10.48550/arxiv.1505.01782 · pith_short_12: CZ36UZ57LPDB · pith_short_16: CZ36UZ57LPDBKRW6 · pith_short_8: CZ36UZ57
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CZ36UZ57LPDBKRW6G6SYDADOUP \
  | 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: 1677ea67bf5bc61546de37a581806ea3c1c2ad4517f093363727717e7695aac1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f3b586aa01dd4579887b012469483968707075eed177dad89a9ee4a74c8967e9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-07T17:21:10Z",
    "title_canon_sha256": "ad969b53d2e168bd2993c67fb730b50c2f07ca61e34686336d132f88e22899ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01782",
    "kind": "arxiv",
    "version": 1
  }
}