Pith Number

pith:VUDNIJP4

pith:2016:VUDNIJP4UKLOC5QYN36PFP4OXD

not attested not anchored not stored refs pending

Long Period Variables: questioning the pulsation paradigm

Paul Berlioz-Arthaud

arxiv:1608.00232 v1 · 2016-07-31 · 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{VUDNIJP4UKLOC5QYN36PFP4OXD}

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	2026-05-18T01:10:12.153425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad06d425fca296e176186efcf2bf8eb8ec68e306913b2dba7bdcfb4b7c914cef

Aliases

arxiv: 1608.00232 · arxiv_version: 1608.00232v1 · doi: 10.48550/arxiv.1608.00232 · pith_short_12: VUDNIJP4UKLO · pith_short_16: VUDNIJP4UKLOC5QY · pith_short_8: VUDNIJP4

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/VUDNIJP4UKLOC5QYN36PFP4OXD \
  | 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: ad06d425fca296e176186efcf2bf8eb8ec68e306913b2dba7bdcfb4b7c914cef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c07c5ec59eec8919051c1c3b3d7c1db998359a0f2567f07e410035ce40e3e45f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-07-31T15:44:15Z",
    "title_canon_sha256": "eafac778f6a234056d180aef0326d38d5068732c51bbb6cc121271a0f535c1ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00232",
    "kind": "arxiv",
    "version": 1
  }
}