Pith Number

pith:EWVYPBSP

pith:2016:EWVYPBSPVTO2LYMDAAUNZPAXLG

not attested not anchored not stored refs pending

Parallax of a Mira variable R Ursae Majoris studied with astrometric VLBI

Akiharu Nakagawa, Katsuhisa Sato, Katsunori M Shibata, Makoto Matsui, Mareki Honma, Takaaki Jike, Tomoharu Kurayama, Toshihiro Omodaka

arxiv:1607.01090 v1 · 2016-07-05 · 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{EWVYPBSPVTO2LYMDAAUNZPAXLG}

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	2026-05-18T01:05:42.481448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25ab87864facdda5e1830028dcbc17598128e11ff6478f77642817f9ade1828f

Aliases

arxiv: 1607.01090 · arxiv_version: 1607.01090v1 · doi: 10.48550/arxiv.1607.01090 · pith_short_12: EWVYPBSPVTO2 · pith_short_16: EWVYPBSPVTO2LYMD · pith_short_8: EWVYPBSP

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/EWVYPBSPVTO2LYMDAAUNZPAXLG \
  | 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: 25ab87864facdda5e1830028dcbc17598128e11ff6478f77642817f9ade1828f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "067de872e6bdfbdb3cd5a45cdd3ebfff6fa37dd7832ddc24f8fa65995b900073",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-07-05T02:05:10Z",
    "title_canon_sha256": "a260d3a737e380a8144f5c2dfdd828d481db22bcd3ac5677ee9a95f69bc5852d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01090",
    "kind": "arxiv",
    "version": 1
  }
}