Pith Number

pith:OWSKR4T4

pith:2017:OWSKR4T4NJAUGJBCK47VDF4JC2

not attested not anchored not stored refs pending

The Hubble Catalog of Variables

A. Karampelas, A. Z. Bonanos, B. C. Whitmore, D. Hatzidimitriou, D. J. Lennon, E. Pouliasis, G. Kakaletris, I. Bellas-Velidis, I. Georgantopoulos, K. Sokolovsky, K. Tsinganos, M. I. Moretti, M. Yang, N. Laskaris, P. Gavras, V. Charmandaris, Z. T. Spetsieri

arxiv:1703.00258 v1 · 2017-03-01 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWSKR4T4NJAUGJBCK47VDF4JC2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:42:29.549592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75a4a8f27c6a41432422573f51978916ba53843d53a813875ff11c58271ffb35

Aliases

arxiv: 1703.00258 · arxiv_version: 1703.00258v1 · doi: 10.48550/arxiv.1703.00258 · pith_short_12: OWSKR4T4NJAU · pith_short_16: OWSKR4T4NJAUGJBC · pith_short_8: OWSKR4T4

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/OWSKR4T4NJAUGJBCK47VDF4JC2 \
  | 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: 75a4a8f27c6a41432422573f51978916ba53843d53a813875ff11c58271ffb35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36fe73bace65fe7ab255ced4d06d7ee3733aab06b32a4780e21576e65e5bba41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-03-01T12:11:30Z",
    "title_canon_sha256": "24ffbd35865d93a70628a753e7b874753676d78b8656c85d10b844859b9f5a25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00258",
    "kind": "arxiv",
    "version": 1
  }
}