Pith Number

pith:R2DYSRNP

pith:2018:R2DYSRNP6FA4G2QORYMWZTBEZD

not attested not anchored not stored refs pending

Star-spot distributions and chromospheric activity on the RS CVn type eclipsing binary SV Cam

A. Frasca, D. Montes, E. Bahar, E. I\c{s}{\i}k, G. A. J. Hussain, H. V. \c{S}enavc{\i}, O. Y\"or\"uko\u{g}lu, S. Zola

arxiv:1806.01801 v1 · 2018-06-05 · astro-ph.SR

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

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	2026-05-18T00:14:11.775566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e878945aff141c36a0e8e196ccc24c8db530d97199c331b4849ef2efe037323

Aliases

arxiv: 1806.01801 · arxiv_version: 1806.01801v1 · doi: 10.48550/arxiv.1806.01801 · pith_short_12: R2DYSRNP6FA4 · pith_short_16: R2DYSRNP6FA4G2QO · pith_short_8: R2DYSRNP

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/R2DYSRNP6FA4G2QORYMWZTBEZD \
  | 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: 8e878945aff141c36a0e8e196ccc24c8db530d97199c331b4849ef2efe037323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb64844ced1c713fc06c34afcb4d8f54980e09944e83f0bde19234e4a9976e02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-05T16:50:08Z",
    "title_canon_sha256": "ad0d0c4e4aa35bd6c66884a223334cf589bdec40c62c8a91fec7f4e7964fc690"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01801",
    "kind": "arxiv",
    "version": 1
  }
}