Pith Number

pith:WKYPBVS7

pith:2012:WKYPBVS7N3HJBJASAZLHFJDZUO

not attested not anchored not stored refs pending

New Exoplanet Surveys in the Canadian High Arctic at 80 Degrees North

Aida Ahmadi, Eric Steinbring, James Graham, Mark Halman, Nicholas M. Law, Pegah Salbi, Raymond Carlberg, Richard Murowinski, Suresh Sivanandam, Wayne Ngan

arxiv:1208.5769 v1 · 2012-08-28 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKYPBVS7N3HJBJASAZLHFJDZUO}

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	2026-05-18T01:54:50.633306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2b0f0d65f6ece90a412065672a479a3bc1061da305a2f1b3f60cb96906b59de

Aliases

arxiv: 1208.5769 · arxiv_version: 1208.5769v1 · doi: 10.48550/arxiv.1208.5769 · pith_short_12: WKYPBVS7N3HJ · pith_short_16: WKYPBVS7N3HJBJAS · pith_short_8: WKYPBVS7

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/WKYPBVS7N3HJBJASAZLHFJDZUO \
  | 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: b2b0f0d65f6ece90a412065672a479a3bc1061da305a2f1b3f60cb96906b59de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f1cfd3c25cd2b6dbcf8505358c6e0e39c7c38e7b5118c339063961834535ba3",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-08-28T20:00:03Z",
    "title_canon_sha256": "5285a602d817c690f9795e5e4f264f7313bb2de38deb85821d6989877c1cf8fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5769",
    "kind": "arxiv",
    "version": 1
  }
}