Pith Number

pith:P4FTV5LR

pith:2015:P4FTV5LREIAC2VJWZG75UB5KTQ

not attested not anchored not stored refs pending

Stellar activity as noise in exoplanet detection I. Methods and application to solar-like stars and activity cycles

D. Juncher (NBI, H. Korhonen (FINCA, J. M. Andersen (Boston, NBI, N. Piskunov (Uppsala), S. P. Jarvinen (AIP), STARPLAN), T. Hackman (Helsinki), U. G. Joergensen (NBI

arxiv:1501.00981 v1 · 2015-01-05 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4FTV5LREIAC2VJWZG75UB5KTQ}

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	2026-05-18T01:41:14.467004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f0b3af57122002d5536c9bfda07aa9c1763d5a805eca112625673faad761ce8

Aliases

arxiv: 1501.00981 · arxiv_version: 1501.00981v1 · doi: 10.48550/arxiv.1501.00981 · pith_short_12: P4FTV5LREIAC · pith_short_16: P4FTV5LREIAC2VJW · pith_short_8: P4FTV5LR

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/P4FTV5LREIAC2VJWZG75UB5KTQ \
  | 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: 7f0b3af57122002d5536c9bfda07aa9c1763d5a805eca112625673faad761ce8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c2d0033ec3c740484518177cb29ef540ffa570455a726231a0bcd72017b09e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-01-05T21:00:12Z",
    "title_canon_sha256": "13a3a4b3b0f84341c64e1d367e65335e57b19a9a7dd1ce5bfef46a0357973a6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00981",
    "kind": "arxiv",
    "version": 1
  }
}