Pith Number

pith:SGS6IEVZ

pith:2012:SGS6IEVZDZ6YMQWY6LOBM4ATDR

not attested not anchored not stored refs pending

Anchoring the Distance Scale via X-ray/IR Data for Cepheid Clusters: SU Cas

Charles Bonatto, Daniel J. Majaess, David D. Balam, David G. Turner, David J. Lane, Leonid N. Berdnikov, Luigi C. Gallo, Wolfgang P. Gieren

arxiv:1205.0016 v1 · 2012-04-30 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SGS6IEVZDZ6YMQWY6LOBM4ATDR}

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	2026-05-18T01:57:42.131917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91a5e412b91e7d8642d8f2dc1670131c588cc711b4d25ccb3253d90bb70586b3

Aliases

arxiv: 1205.0016 · arxiv_version: 1205.0016v1 · doi: 10.48550/arxiv.1205.0016 · pith_short_12: SGS6IEVZDZ6Y · pith_short_16: SGS6IEVZDZ6YMQWY · pith_short_8: SGS6IEVZ

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/SGS6IEVZDZ6YMQWY6LOBM4ATDR \
  | 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: 91a5e412b91e7d8642d8f2dc1670131c588cc711b4d25ccb3253d90bb70586b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88ee1bbe74706439ece8126ae36d1bcd4d82e1c8f52c9d7a8bf9a57c198aa54c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-30T20:01:00Z",
    "title_canon_sha256": "494cf3e837b13986ed41decd36f8905f7d5f5e3af9d8572b1e5aca55c85c1c51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0016",
    "kind": "arxiv",
    "version": 1
  }
}