Pith Number

pith:WD6JCEIC

pith:2016:WD6JCEIC7JMNSNOIYQBCFC4W7T

not attested not anchored not stored refs pending

Period estimation for sparsely-sampled quasi-periodic light curves applied to Miras

James Long, Jianhua Z. Huang, Lucas M. Macri, Shiyuan He, Wenlong Yuan

arxiv:1609.06680 v3 · 2016-09-21 · astro-ph.SR · astro-ph.IM · stat.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WD6JCEIC7JMNSNOIYQBCFC4W7T}

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	2026-05-18T00:58:03.764922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0fc911102fa58d935c8c402228b96fcdd51a61d3e1c6f4a5ed5995e8b054346

Aliases

arxiv: 1609.06680 · arxiv_version: 1609.06680v3 · doi: 10.48550/arxiv.1609.06680 · pith_short_12: WD6JCEIC7JMN · pith_short_16: WD6JCEIC7JMNSNOI · pith_short_8: WD6JCEIC

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/WD6JCEIC7JMNSNOIYQBCFC4W7T \
  | 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: b0fc911102fa58d935c8c402228b96fcdd51a61d3e1c6f4a5ed5995e8b054346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50753e360f72b4faa43ee1ffc1e3c9e2070329c6b6b9a01eb8f46ed2824da4ce",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-21T18:51:54Z",
    "title_canon_sha256": "1c9bd5a21aa1ce2b02a50251b0ee003681c3a09aa14a5b068e98ebeb27652708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06680",
    "kind": "arxiv",
    "version": 3
  }
}