Pith Number

pith:4XJ57TQI

pith:2016:4XJ57TQICCT4G7MKO7WJPB5GGS

not attested not anchored not stored refs pending

The K2 M67 Study: Revisiting old friends with K2 reveals oscillating red giants in the open cluster M67

A. Vanderburg, D. R. Soderblom, D. Stello, E. Leiner, E. Sandquist, L. Casagrande, R. Gilliland, R. Mathieu, V. S. Aguirre

arxiv:1610.03060 v1 · 2016-10-10 · 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{4XJ57TQICCT4G7MKO7WJPB5GGS}

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	2026-05-18T00:55:40.866741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5d3dfce0810a7c37d8a77ec9787a634ad2af11cd23110e4a2ee7de10bdda2c8

Aliases

arxiv: 1610.03060 · arxiv_version: 1610.03060v1 · doi: 10.48550/arxiv.1610.03060 · pith_short_12: 4XJ57TQICCT4 · pith_short_16: 4XJ57TQICCT4G7MK · pith_short_8: 4XJ57TQI

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/4XJ57TQICCT4G7MKO7WJPB5GGS \
  | 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: e5d3dfce0810a7c37d8a77ec9787a634ad2af11cd23110e4a2ee7de10bdda2c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c93f0d73a1f4343cbe00ae385866fe75f232c537b57830b6ca4e290656073817",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-10-10T20:00:00Z",
    "title_canon_sha256": "bf1942610a20ec5c8f4e7338041d7e687fa74e458cd0c7c28408726ccb49749b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03060",
    "kind": "arxiv",
    "version": 1
  }
}