Pith Number

pith:ZUD2B7I6

pith:2015:ZUD2B7I6KVGDU7HPQRHXYJHX27

not attested not anchored not stored refs pending

Accretion-disc precession in UX Ursae Majoris

(2) Columbia Univ., 3), (3) Center for Backyard Astrophysics, (4) Middlebury College), A. Oksanen (3), D. Barret (3), D. Cejudo (3), D. Collins (3), D. Lemay (3), D. Slauson (3), D. Starkey (3), E. de Miguel (1, E. Morelle (3), F. -J. Hambsch (3), G. Roberts (3), J. Boardman (3), J. Kemp (4) ((1) Univ. Huelva, J. L. Jones (3), J. Patterson (2), J. Ulowetz (3), K. Menzies (3), L. M. Cook (3), M. Costello (3), M. J. Cook (3), M. Richmond (3), R. Koff (3), S. Dvorak (3), T. Campbell (3), T. Vanmunster (3), W. Goff (3), W. Stein (3), Y. Ogmen (3)

arxiv:1512.08687 v1 · 2015-12-29 · 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{ZUD2B7I6KVGDU7HPQRHXYJHX27}

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	2026-05-18T01:20:32.496771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd07a0fd1e554c3a7cef844f7c24f7d7ff5da7516f40fc9ed08cf59287233e96

Aliases

arxiv: 1512.08687 · arxiv_version: 1512.08687v1 · doi: 10.48550/arxiv.1512.08687 · pith_short_12: ZUD2B7I6KVGD · pith_short_16: ZUD2B7I6KVGDU7HP · pith_short_8: ZUD2B7I6

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/ZUD2B7I6KVGDU7HPQRHXYJHX27 \
  | 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: cd07a0fd1e554c3a7cef844f7c24f7d7ff5da7516f40fc9ed08cf59287233e96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5438c2c8e31991bf2a7ca5622215f6647fd86fcfee951d7b05960681a5fdc85d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-29T14:14:26Z",
    "title_canon_sha256": "5b700fb764bad9e0bfb81a5fa6514cebebd7a9744d6d0f302d3104bbfac9fee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08687",
    "kind": "arxiv",
    "version": 1
  }
}