Pith Number

pith:Y63GV4MY

pith:2016:Y63GV4MYKGEFUDFQDOHBFEGH2M

not attested not anchored not stored refs pending

Effective temperature and radial velocity of the small-amplitude Cepheid Polaris (alpha UMi) in 2015

A. S. Miroshnichenko, I. A. Usenko, S. Danford, V. V. Kovtyukh

arxiv:1610.03813 v1 · 2016-10-12 · 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{Y63GV4MYKGEFUDFQDOHBFEGH2M}

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	2026-05-18T00:52:38.415529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7b66af19851885a0cb01b8e1290c7d30b30e818603a745ecb6e3ab5544b6640

Aliases

arxiv: 1610.03813 · arxiv_version: 1610.03813v1 · doi: 10.48550/arxiv.1610.03813 · pith_short_12: Y63GV4MYKGEF · pith_short_16: Y63GV4MYKGEFUDFQ · pith_short_8: Y63GV4MY

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/Y63GV4MYKGEFUDFQDOHBFEGH2M \
  | 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: c7b66af19851885a0cb01b8e1290c7d30b30e818603a745ecb6e3ab5544b6640

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b59ec7599cc39ef2e9fe3bdf2796f9f806d8a8d9f52472a0cfb21e6c75afa6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-10-12T18:23:52Z",
    "title_canon_sha256": "ec75758299ff308b221609024765f03a35a6ebdde6cd9ca96c88af9a28168b31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03813",
    "kind": "arxiv",
    "version": 1
  }
}