Pith Number

pith:VCU56RDG

pith:2015:VCU56RDGMTYAP45K6ERV6TUAR4

not attested not anchored not stored refs pending

New tools for finding and testing of weak periodical variability

Ernst Paunzen, Martin Netopil, Miloslav Zejda, Zdenek Mikulasek

arxiv:1503.05703 v1 · 2015-03-19 · astro-ph.IM · 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{VCU56RDGMTYAP45K6ERV6TUAR4}

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	2026-05-18T02:20:58.320568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8a9df446664f007f3aaf1235f4e808f37d783007d97e48d7e429489fb207eed

Aliases

arxiv: 1503.05703 · arxiv_version: 1503.05703v1 · doi: 10.48550/arxiv.1503.05703 · pith_short_12: VCU56RDGMTYA · pith_short_16: VCU56RDGMTYAP45K · pith_short_8: VCU56RDG

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/VCU56RDGMTYAP45K6ERV6TUAR4 \
  | 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: a8a9df446664f007f3aaf1235f4e808f37d783007d97e48d7e429489fb207eed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ebd04c895fd6105fdd924d7347fa280257dce5faa0b84b119a84e0ea630bc6a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-03-19T10:48:00Z",
    "title_canon_sha256": "7ad8e04ee0d74a8a119d52a80a8cea58992e983f43be4cc007704edb68a944f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05703",
    "kind": "arxiv",
    "version": 1
  }
}