Pith Number

pith:EIWXVIES

pith:2018:EIWXVIES7IBGACJU6ZV3LN4C2L

not attested not anchored not stored refs pending

Variability survey in NGC 6910, the open cluster rich in $\beta$ Cephei-type stars

A. Narwid, A. Pigulski, Ch. Zhang, D. Mo\'zdzierski, E. Zahajkiewicz, F. Carrier, G. Kopacki, G. Michalska, J. Fu, J. Jackiewicz, J. Telting, M. St\k{e}\'slicki, P. Bru\'s, P. \'Sr\'odka, T. Morel, X. Jiang, Z. Ko{\l}aczkowski

arxiv:1808.02886 v1 · 2018-08-07 · 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{EIWXVIES7IBGACJU6ZV3LN4C2L}

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	2026-05-18T00:08:30.709442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

222d7aa092fa02600934f66bb5b782d2e0b82a6be08741860c864ee708b88c8f

Aliases

arxiv: 1808.02886 · arxiv_version: 1808.02886v1 · doi: 10.48550/arxiv.1808.02886 · pith_short_12: EIWXVIES7IBG · pith_short_16: EIWXVIES7IBGACJU · pith_short_8: EIWXVIES

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/EIWXVIES7IBGACJU6ZV3LN4C2L \
  | 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: 222d7aa092fa02600934f66bb5b782d2e0b82a6be08741860c864ee708b88c8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a603f4cd1ae0373780f2ba7a441c21813c2b54c12e8399e2df83ce6510f5aa71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-07T22:45:39Z",
    "title_canon_sha256": "b9ff5541df28713244b8ca0831bb6dd85de080f38e8bdb6a2023556a9cef5de6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02886",
    "kind": "arxiv",
    "version": 1
  }
}