Pith Number

pith:U57P5RFB

pith:2016:U57P5RFBIA4VEG4HP6DWBXW4GO

not attested not anchored not stored refs pending

Determining the Age of the Kepler Open Cluster NGC 6819 With a New Triple System and Other Eclipsing Binary Stars

Aaron M. Geller, Dennis Stello, Eric L. Sandquist, Frank Grundahl, Hans Bruntt, Imants Platais, Jerome A. Orosz, Karsten Brogaard, Katelyn Milliman, Lauren N. Brewer, Mark W. Jeffries Jr., Robert D. Mathieu, Soeren Frandsen

arxiv:1601.04069 v1 · 2016-01-15 · 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{U57P5RFBIA4VEG4HP6DWBXW4GO}

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.

Cited by

2 papers in Pith

Kepler Image-Subtracted Light Curves and Variable Star Catalog of NGC 6819

Receipt and verification

First computed	2026-05-18T01:19:24.922804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a77efec4a14039521b877f8760dedc338261835d016d6ac14f14706a74553ca4

Aliases

arxiv: 1601.04069 · arxiv_version: 1601.04069v1 · doi: 10.48550/arxiv.1601.04069 · pith_short_12: U57P5RFBIA4V · pith_short_16: U57P5RFBIA4VEG4H · pith_short_8: U57P5RFB

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/U57P5RFBIA4VEG4HP6DWBXW4GO \
  | 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: a77efec4a14039521b877f8760dedc338261835d016d6ac14f14706a74553ca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9c34be4381de851a5e0e455c04ac1631dde6f6cedbd7db3e2cc97809062be90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-15T21:00:05Z",
    "title_canon_sha256": "04dc131726abdfb332c4812880c33f4aec15e8d211f2706003dfae1fca754550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04069",
    "kind": "arxiv",
    "version": 1
  }
}